CVE & CISA-KEV Catalog

CVE-2026-45736

MEDIUM
4.4
CVSS v3
NVD

Description

ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.

CWE-908CWE-824

How to fix

Remediation Available
node-wsDebian
Fixed in:8.20.1+~cs14.19.1-1CVE-2026-45736
cryostat/cryostatRocky
Fixed in:rhel9@sha256:c0b028b465d8e6f3b262659195c01deee13538c1e34a823bffb7624bbb5252fc_amd64RHSA-2026:48151
Fixed in:reports-rhel9@sha256:b34a578607642a41719d12a902df7b4549606f37e773f6b20ed047b94c1739fe_amd64RHSA-2026:48151
Fixed in:reports-rhel9@sha256:a93361b346844f7ec4108a9658cb5fdd61c8963e90ee15e52fb213b1bb4d01c6_arm64RHSA-2026:48151
Fixed in:db-rhel9@sha256:c1d344fddcfb7ff4ca4bc3a2ba88917c918879b8411aef0dc1c252e151e7df5f_arm64RHSA-2026:48151
Fixed in:operator-bundle@sha256:f6f18f4a84f0a0381e5d03893d2968050537f7e20b08b61b54e922c4d9359292_arm64RHSA-2026:48151
Fixed in:operator-bundle@sha256:8aba4092e4ca595ee8df8f878754f698059c72d956022a1fe9e123d6ed7a7fa6_amd64RHSA-2026:48151
Fixed in:db-rhel9@sha256:1dadbcd03e36720ff1bccd2fa77cdb7096e94322794f5ad3b8a511d08c0c30d3_amd64RHSA-2026:48151
Fixed in:rhel9-operator@sha256:bd3419415c6e31e2c5269b371d8097e69cad1ff84cea5b98b4892ffad05a501f_arm64RHSA-2026:48151
cryostat/cryostatRed Hat / RHEL
Fixed in:storage-rhel9@sha256:a6ab21c3097a8268cba87c6eeb1f512454da0c68410031c4160c7d7378920850_arm64RHSA-2026:48151
Fixed in:operator-bundle@sha256:8aba4092e4ca595ee8df8f878754f698059c72d956022a1fe9e123d6ed7a7fa6_amd64RHSA-2026:48151
Fixed in:storage-rhel9@sha256:51b54fe0f6d011cd59eaa810f62d4d8b8dde5c0ebd75684cbc2eac104466c467_amd64RHSA-2026:48151
Fixed in:db-rhel9@sha256:c1d344fddcfb7ff4ca4bc3a2ba88917c918879b8411aef0dc1c252e151e7df5f_arm64RHSA-2026:48151
Fixed in:db-rhel9@sha256:1dadbcd03e36720ff1bccd2fa77cdb7096e94322794f5ad3b8a511d08c0c30d3_amd64RHSA-2026:48151
Fixed in:operator-bundle@sha256:f6f18f4a84f0a0381e5d03893d2968050537f7e20b08b61b54e922c4d9359292_arm64RHSA-2026:48151
Fixed in:reports-rhel9@sha256:a93361b346844f7ec4108a9658cb5fdd61c8963e90ee15e52fb213b1bb4d01c6_arm64RHSA-2026:48151
Fixed in:reports-rhel9@sha256:b34a578607642a41719d12a902df7b4549606f37e773f6b20ed047b94c1739fe_amd64RHSA-2026:48151
cryostat/cryostat-agentRocky
Fixed in:init-rhel9@sha256:56a21c05b7e6face6abbb05a1165d02640779cda3dc829e21237840e7cbac579_amd64RHSA-2026:48151
Fixed in:init-rhel9@sha256:a9a7a4aff8961cea3f5a4cd5b3370c5f13105e9461f4fb0de70bcfa7b5facab1_arm64RHSA-2026:48151
cryostat/cryostat-agentRed Hat / RHEL
Fixed in:init-rhel9@sha256:a9a7a4aff8961cea3f5a4cd5b3370c5f13105e9461f4fb0de70bcfa7b5facab1_arm64RHSA-2026:48151
Fixed in:init-rhel9@sha256:56a21c05b7e6face6abbb05a1165d02640779cda3dc829e21237840e7cbac579_amd64RHSA-2026:48151
cryostat/cryostat-grafanaRocky
Fixed in:dashboard-rhel9@sha256:681a38cf4bd5f892dd76e634d754106d55c1dc78ed1a59c6003fd75d8e285101_arm64RHSA-2026:48151
Fixed in:dashboard-rhel9@sha256:ea227ce33a7d948d284c10f3f590ddfdc5058459a52b87c46ce882ac32a82a0f_amd64RHSA-2026:48151
cryostat/cryostat-grafanaRed Hat / RHEL
Fixed in:dashboard-rhel9@sha256:681a38cf4bd5f892dd76e634d754106d55c1dc78ed1a59c6003fd75d8e285101_arm64RHSA-2026:48151
Fixed in:dashboard-rhel9@sha256:ea227ce33a7d948d284c10f3f590ddfdc5058459a52b87c46ce882ac32a82a0f_amd64RHSA-2026:48151
cryostat/cryostat-openshift-consoleRed Hat / RHEL
Fixed in:plugin-rhel9@sha256:c8915feceaaf08a0f3a05df8a61f44b8cfca2b23872219828a694cee047252a1_amd64RHSA-2026:48151
Fixed in:plugin-rhel9@sha256:f226753fa98b6492d7fffc0d669d1e003f5146c6214d3cbad96d0e3fd8f03663_arm64RHSA-2026:48151
cryostat/cryostat-openshift-consoleRocky
Fixed in:plugin-rhel9@sha256:c8915feceaaf08a0f3a05df8a61f44b8cfca2b23872219828a694cee047252a1_amd64RHSA-2026:48151
Fixed in:plugin-rhel9@sha256:f226753fa98b6492d7fffc0d669d1e003f5146c6214d3cbad96d0e3fd8f03663_arm64RHSA-2026:48151
cryostat/jfrRocky
Fixed in:datasource-rhel9@sha256:89b841456cfe46bf4d3b6bd32dea131c51241d2b1bd266d408eac78ed79c395a_arm64RHSA-2026:48151
Fixed in:datasource-rhel9@sha256:2d9c9f1cd1ff98721ea2ee56e86319bc6bc403f9b444e0fbe802ecb89b589134_amd64RHSA-2026:48151
cryostat/jfrRed Hat / RHEL
Fixed in:datasource-rhel9@sha256:2d9c9f1cd1ff98721ea2ee56e86319bc6bc403f9b444e0fbe802ecb89b589134_amd64RHSA-2026:48151
Fixed in:datasource-rhel9@sha256:89b841456cfe46bf4d3b6bd32dea131c51241d2b1bd266d408eac78ed79c395a_arm64RHSA-2026:48151
dotnet10Rocky
Fixed in:0-main@aarch64RHSA-2026:26638
Fixed in:0-main@x86_64RHSA-2026:26638
Fixed in:0-main@srcRHSA-2026:26638
dotnet10Red Hat / RHEL
Fixed in:0-main@srcRHSA-2026:26638
Fixed in:0-main@x86_64RHSA-2026:26638
Fixed in:0-main@aarch64RHSA-2026:26638
dotnet8Rocky
Fixed in:0-main@srcRHSA-2026:26994
Fixed in:0-main@x86_64RHSA-2026:26994
Fixed in:0-main@aarch64RHSA-2026:26994
dotnet8Red Hat / RHEL
Fixed in:0-main@srcRHSA-2026:26994
Fixed in:0-main@x86_64RHSA-2026:26994
Fixed in:0-main@aarch64RHSA-2026:26994
dotnet9Red Hat / RHEL
Fixed in:0-main@x86_64RHSA-2026:27171
Fixed in:0-main@aarch64RHSA-2026:27171
Fixed in:0-main@srcRHSA-2026:27171
dotnet9Rocky
Fixed in:0-main@srcRHSA-2026:27171
Fixed in:0-main@x86_64RHSA-2026:27171
Fixed in:0-main@aarch64RHSA-2026:27171
registry.redhat.io/ansible-automation-platformRocky
Fixed in:26/controller-rhel9@sha256:5988a2daac19ccd72b8eec8cd1d9b623c69aed7be1a4223070d2c65256210776_arm64RHSA-2026:34374
Fixed in:26/controller-rhel9@sha256:1252d44baa18b442de12a9659d3419ef77148e47ca14747ae684b8541fe795a7_s390xRHSA-2026:34374
Fixed in:26/lightspeed-rhel9@sha256:5a0a1932f8bcdf436f08f9d00fdb520feefad62061ce79426d44ecd7d01724a2_s390xRHSA-2026:34374
Fixed in:26/lightspeed-rhel9@sha256:9bed2310605563c0d439ed85731e980038ada7c3970fc26de24c1c7d291afe07_ppc64leRHSA-2026:34374
Fixed in:26/hub-rhel9@sha256:ac33685303a23070d840d68bce5381230bbf98f1f65abaa80eca75c99b821d88_amd64RHSA-2026:34374
Fixed in:26/gateway-rhel9@sha256:b3132e81fca86bc4bf6fe9f75fb3cafd1ef0f02fe84aeaffa51539e5f4a1b54c_s390xRHSA-2026:34374
Fixed in:26/controller-rhel9@sha256:eac25bae75a0e08a0aae706325faae2606ee8b0c086559cc0b89a59501a511f8_ppc64leRHSA-2026:34374
Fixed in:26/gateway-rhel9@sha256:23ea476af89606789f91e647e952039bff83b5ace02440b2c11dccb9020cc0fb_amd64RHSA-2026:34374
registry.redhat.io/ansible-automation-platformRed Hat / RHEL
Fixed in:26/lightspeed-rhel9@sha256:9bed2310605563c0d439ed85731e980038ada7c3970fc26de24c1c7d291afe07_ppc64leRHSA-2026:34374
Fixed in:26/receptor-rhel9@sha256:31f1c672dc3197cb7bfeb51b37d357425d4057fec9c22ea8810005c147e493a0_arm64RHSA-2026:34374
Fixed in:26/gateway-rhel9@sha256:b3132e81fca86bc4bf6fe9f75fb3cafd1ef0f02fe84aeaffa51539e5f4a1b54c_s390xRHSA-2026:34374
Fixed in:26/gateway-rhel9@sha256:23ea476af89606789f91e647e952039bff83b5ace02440b2c11dccb9020cc0fb_amd64RHSA-2026:34374
Fixed in:26/controller-rhel9@sha256:eac25bae75a0e08a0aae706325faae2606ee8b0c086559cc0b89a59501a511f8_ppc64leRHSA-2026:34374
Fixed in:26/lightspeed-rhel9@sha256:883c2aa7d2a9f8ddcccd8c48b79bff59ffa3eb3f59392e727dd050ec4efdb92b_amd64RHSA-2026:34374
Fixed in:26/hub-rhel9@sha256:7c82062799a4bc38472a8d62827cbead3cf9396e132c9567e1d7682b8e4eb01d_ppc64leRHSA-2026:34374
Fixed in:26/hub-rhel9@sha256:94a4269cc3ddfdaf549eb4b547a461c2eafa9a0e3682511f2c18a3cf846beba3_s390xRHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/aap-mustRocky
Fixed in:gather-rhel9@sha256:bd4450e5af03c053f28e9c2ca0f2a2c016fc55fef4187676bc4edd5149c1a0f4_arm64RHSA-2026:34374
Fixed in:gather-rhel9@sha256:51e90eeed5c6bf2e6355ee9ba50fe330149b7c2b7633a106946459e8984d82ae_ppc64leRHSA-2026:34374
Fixed in:gather-rhel9@sha256:5e9de77acecac9653b91d2ebbfc5be8dc47da81e9e3e1772d38f827f05779632_s390xRHSA-2026:34374
Fixed in:gather-rhel9@sha256:7cefb007f075c5b1e0265fe8b12888218201cb453e9ebac315d91a79ed6e686a_amd64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/aap-mustRed Hat / RHEL
Fixed in:gather-rhel9@sha256:5e9de77acecac9653b91d2ebbfc5be8dc47da81e9e3e1772d38f827f05779632_s390xRHSA-2026:34374
Fixed in:gather-rhel9@sha256:7cefb007f075c5b1e0265fe8b12888218201cb453e9ebac315d91a79ed6e686a_amd64RHSA-2026:34374
Fixed in:gather-rhel9@sha256:51e90eeed5c6bf2e6355ee9ba50fe330149b7c2b7633a106946459e8984d82ae_ppc64leRHSA-2026:34374
Fixed in:gather-rhel9@sha256:bd4450e5af03c053f28e9c2ca0f2a2c016fc55fef4187676bc4edd5149c1a0f4_arm64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/ansibleRocky
Fixed in:builder-rhel9@sha256:22190a2714d3942a57dbe9dd265570bfe179b8d7f3e412173d010090de2bb98d_amd64RHSA-2026:34374
Fixed in:builder-rhel9@sha256:21243b5bb27b62467a311f0dfb5001384b424c095e17eba2c4fa441d7a03f7cf_ppc64leRHSA-2026:34374
Fixed in:builder-rhel9@sha256:35b39d818bfb7b3fe86f77eedb134d12e9f316ce1642f86a8fa5ce1c1e31f37b_s390xRHSA-2026:34374
Fixed in:builder-rhel9@sha256:3f2e1942032818fe9c91bf18948b80002a713b81c96e8ef5a3a4178a24899fb7_arm64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/ansibleRed Hat / RHEL
Fixed in:builder-rhel9@sha256:22190a2714d3942a57dbe9dd265570bfe179b8d7f3e412173d010090de2bb98d_amd64RHSA-2026:34374
Fixed in:builder-rhel9@sha256:21243b5bb27b62467a311f0dfb5001384b424c095e17eba2c4fa441d7a03f7cf_ppc64leRHSA-2026:34374
Fixed in:builder-rhel9@sha256:35b39d818bfb7b3fe86f77eedb134d12e9f316ce1642f86a8fa5ce1c1e31f37b_s390xRHSA-2026:34374
Fixed in:builder-rhel9@sha256:3f2e1942032818fe9c91bf18948b80002a713b81c96e8ef5a3a4178a24899fb7_arm64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/ansible-devRocky
Fixed in:tools-rhel9@sha256:ea75fa4468a26357ce7c92614d70bc41ff0f8a8e562978a5b2bdfa5563492090_ppc64leRHSA-2026:34374
Fixed in:tools-rhel9@sha256:d7aa74297e76cb375c4bdd939c673739e34e22d83f8ef8846b1aa3c3c2264bbe_arm64RHSA-2026:34374
Fixed in:tools-rhel9@sha256:25928bb67eadad3a0d3b23da81acb313b8f873476250ddc6481cfb06bc25b8ab_s390xRHSA-2026:34374
Fixed in:tools-rhel9@sha256:bdfafa3b05bea80b81ffdc63cd77d4b2a96588ccd309aba83de0a683cb07c3c4_amd64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/ansible-devRed Hat / RHEL
Fixed in:tools-rhel9@sha256:bdfafa3b05bea80b81ffdc63cd77d4b2a96588ccd309aba83de0a683cb07c3c4_amd64RHSA-2026:34374
Fixed in:tools-rhel9@sha256:ea75fa4468a26357ce7c92614d70bc41ff0f8a8e562978a5b2bdfa5563492090_ppc64leRHSA-2026:34374
Fixed in:tools-rhel9@sha256:d7aa74297e76cb375c4bdd939c673739e34e22d83f8ef8846b1aa3c3c2264bbe_arm64RHSA-2026:34374
Fixed in:tools-rhel9@sha256:25928bb67eadad3a0d3b23da81acb313b8f873476250ddc6481cfb06bc25b8ab_s390xRHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/controllerRocky
Fixed in:rhel9-operator@sha256:fb2eb12e6a6159c75e56f58429789cc0ac74af2a3d04f9ab865c8d86576e8c15_ppc64leRHSA-2026:34374
Fixed in:rhel9-operator@sha256:c1d135f85a4a1c5fe1c86509658d3056ce4bf748e8210274756064e18f991440_amd64RHSA-2026:34374
Fixed in:rhel9-operator@sha256:54524172989364298f5cce342ef854f62fd59c75a42be804af3f286c6585b3d1_arm64RHSA-2026:34374
Fixed in:rhel9-operator@sha256:49025eb304ed55e363338fbe74b8dd77815b4d87183f1cb0cbfbbba71c2d2c59_s390xRHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/controllerRed Hat / RHEL
Fixed in:rhel9-operator@sha256:49025eb304ed55e363338fbe74b8dd77815b4d87183f1cb0cbfbbba71c2d2c59_s390xRHSA-2026:34374
Fixed in:rhel9-operator@sha256:c1d135f85a4a1c5fe1c86509658d3056ce4bf748e8210274756064e18f991440_amd64RHSA-2026:34374
Fixed in:rhel9-operator@sha256:54524172989364298f5cce342ef854f62fd59c75a42be804af3f286c6585b3d1_arm64RHSA-2026:34374
Fixed in:rhel9-operator@sha256:fb2eb12e6a6159c75e56f58429789cc0ac74af2a3d04f9ab865c8d86576e8c15_ppc64leRHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/deRed Hat / RHEL
Fixed in:minimal-rhel9@sha256:df6617374f5f70f6ff53a980d38ddda8ab1aca125894eadc3a1932ba7612626d_s390xRHSA-2026:34374
Fixed in:supported-rhel9@sha256:5bbbcaa71f5bf11922738e37c1155c5e60ebc5166a67690f5e5218a42b946366_s390xRHSA-2026:34374
Fixed in:supported-rhel9@sha256:49d0f2c55661dd973b0a15ba0e096c54badf4e0017093dfee373a655d47373f0_amd64RHSA-2026:34374
Fixed in:minimal-rhel9@sha256:91438ae17f6ee162df0d564fe47c8690a5246315e26fa4ebfa16dc8c93425cb7_amd64RHSA-2026:34374
Fixed in:supported-rhel9@sha256:99446549dca0b1cd38919ed7489e3eff72b1e4dd739e4f4e914d6c3ca6076b58_arm64RHSA-2026:34374
Fixed in:supported-rhel9@sha256:cf59b3a7897d59615e746c14697a289d79afbc18a9d2e7e7b5f7b1242d640b02_ppc64leRHSA-2026:34374
Fixed in:minimal-rhel9@sha256:4c56fcde717c7a7957638fa6624a6ba5a9fc372bc9056e924158a0477410c9e7_ppc64leRHSA-2026:34374
Fixed in:minimal-rhel9@sha256:5f5b5adc67e0655dcc3bcaaa4bb75337ebff130cca2e019d553be7521ca71871_arm64RHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/deRocky
Fixed in:minimal-rhel9@sha256:91438ae17f6ee162df0d564fe47c8690a5246315e26fa4ebfa16dc8c93425cb7_amd64RHSA-2026:34374
Fixed in:minimal-rhel9@sha256:5f5b5adc67e0655dcc3bcaaa4bb75337ebff130cca2e019d553be7521ca71871_arm64RHSA-2026:34374
Fixed in:supported-rhel9@sha256:49d0f2c55661dd973b0a15ba0e096c54badf4e0017093dfee373a655d47373f0_amd64RHSA-2026:34374
Fixed in:supported-rhel9@sha256:5bbbcaa71f5bf11922738e37c1155c5e60ebc5166a67690f5e5218a42b946366_s390xRHSA-2026:34374
Fixed in:minimal-rhel9@sha256:4c56fcde717c7a7957638fa6624a6ba5a9fc372bc9056e924158a0477410c9e7_ppc64leRHSA-2026:34374
Fixed in:supported-rhel9@sha256:99446549dca0b1cd38919ed7489e3eff72b1e4dd739e4f4e914d6c3ca6076b58_arm64RHSA-2026:34374
Fixed in:minimal-rhel9@sha256:df6617374f5f70f6ff53a980d38ddda8ab1aca125894eadc3a1932ba7612626d_s390xRHSA-2026:34374
Fixed in:supported-rhel9@sha256:cf59b3a7897d59615e746c14697a289d79afbc18a9d2e7e7b5f7b1242d640b02_ppc64leRHSA-2026:34374
registry.redhat.io/ansible-automation-platform-26/edaRocky
Fixed in:controller-rhel9@sha256:fd6aa3b12a35343168ee2e752b437a51c58e8e8e329c8bdd7d230653265a790e_ppc64leRHSA-2026:34374
Fixed in:controller-rhel9@sha256:86908784cb38408c502a733672b2f76e5a5c93b0266afccc9f281cb0c8f2f20c_s390xRHSA-2026:34374
Fixed in:controller-rhel9@sha256:8f721159d1fb2b71fb746eec0213c1111896c7b77a2904d64a2c1696cdce796c_amd64RHSA-2026:34374
Fixed in:controller-rhel9@sha256:afe3ebfa9897d2b9a7d8f9bd7fb4a2210e4b7e603de5fe168740f0aa4bb04495_arm64RHSA-2026:34374

This vulnerability affects an unusually large number of packages. The highest-confidence fixes are shown above; the full list is longer. Check the referenced advisories for complete coverage.

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityNone
AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.74%probability of exploitation in 30 days
52ndpercentile

Moderate risk: more likely to be exploited than 52% of all known CVEs.

References

Related Vulnerabilities

Other CWE-908 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2025-5777High7.5100%KEV + RansomFix
CVE-2023-24941Critical9.895%-Fix
CVE-2007-1751High9.361%--
CVE-2008-0081Critical9.858%--
CVE-2020-1934Medium5.352%-Fix
CVE-2011-1255High9.342%--

Common questions

How do I fix CVE-2026-45736?

Published advisories record a fix for 175 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2026-45736 being actively exploited?

Not that we know of. CVE-2026-45736 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.74% is the estimated probability that it will be exploited in the next 30 days. That is higher than 52% of all scored CVEs.

How severe is CVE-2026-45736?

CVE-2026-45736 has a CVSS v3 base score of 4.4, rated moderate. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-45736 affect?

Published advisories record a fix for node-ws (Debian), cryostat/cryostat (Rocky), cryostat/cryostat (Red Hat / RHEL), cryostat/cryostat-agent (Rocky), and 171 more. The list on this page is capped, so there may be more.

Embed a live status badge for CVE-2026-45736
CVE-2026-45736 severity badge

Markdown

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<a href="https://tridentstack.com/cve/CVE-2026-45736"><img src="https://tridentstack.com/cve/badge/CVE-2026-45736.svg" alt="CVE-2026-45736"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-28.