CVE & CISA-KEV CatalogNVD
CVE-2026-7307
HIGH7.5
CVSS v3
Description
A flaw was found in Keycloak. A remote, unauthenticated attacker can send a specially crafted XML input to the Security Assertion Markup Language (SAML) endpoint. This malicious input can cause high CPU usage and worker thread starvation, leading to a Denial of Service (DoS) where the server becomes unavailable.
How to fix
Remediation Available
rhbk/keycloakRed Hat / RHEL
Fixed in:rhel9@sha256:81773a34d38a8df4b07344fe4ba5670d18684b3579c9d2cf8d0690bf5ec5ab40_amd64RHSA-2026:19597
Fixed in:operator-bundle@sha256:15286c44c4003e787b0bdf9a0bbc5083a2f2312eaf29ccd0c6943232ff52d729_amd64RHSA-2026:19597
Fixed in:rhel9-operator@sha256:2a81955051fb0975bfcb77d25ed64c84038d3c7293f910aeb88f9241be531f9d_amd64RHSA-2026:19597
Fixed in:rhel9@sha256:554cd90241225b6d64d0e7ada9a8ab50ae2054efdb2f5b2cbdb721475ea296df_arm64RHSA-2026:19597
Fixed in:rhel9-operator@sha256:f80c9568ff4b3cc086b7107c8e68db5f548c2b51a01dd8c79d0c9705574a180c_arm64RHSA-2026:19597
Fixed in:rhel9@sha256:68b61a98fcdfd46a166cabe097d609d65fd51181860f9ec7f691bbe5d2a986db_s390xRHSA-2026:19597
Fixed in:rhel9-operator@sha256:d915c75947df63aed99031401dbf570181dba3c5a484eb88438a27892eb7aa72_s390xRHSA-2026:19597
Fixed in:rhel9@sha256:fa7342d82f080bfe8ffaaf5ba204b98dc435897a388b1501d23a1541fe7f1272_ppc64leRHSA-2026:19597
Fixed in:rhel9-operator@sha256:d8185614aa82117680351c710a5d7b80703a9d450dd02a7becfd1405cbc5ecd5_ppc64leRHSA-2026:19597
Fixed in:rhel9@sha256:a9aeb0bc33a3461fe2d407896422719b21b184717956cbcebac0da976a220c1c_arm64RHSA-2026:19595
Fixed in:rhel9-operator@sha256:88672078ac0b5a0da5b72c11751fa7b0c1c57679ec0f68cb1fe9ba76932397b5_arm64RHSA-2026:19595
Fixed in:rhel9@sha256:58e692074e695bee04981aff9641db8070ba1a49ee6134fcc008046cd84da21d_ppc64leRHSA-2026:19595
Fixed in:rhel9-operator@sha256:13d8216c9f47a6f73ea6ea5c9ae7b8b38a89c3822e48eeed7271e50970132175_ppc64leRHSA-2026:19595
Fixed in:rhel9@sha256:7861ca2441bed95aab1ad43f9159d5c60b522fe3f43833f1847bd1d3ddef94d3_amd64RHSA-2026:19595
Fixed in:operator-bundle@sha256:43a89aece29c0a33128e5a7be4ef26d96956fa125df89e22b183c40e50bb8a1d_amd64RHSA-2026:19595
Fixed in:rhel9-operator@sha256:4d2cc26a505eda68f7270c8e8a02d794588f9c7ceec98b763d83e3875f957132_amd64RHSA-2026:19595
Fixed in:rhel9@sha256:01a56463ad6790cf448e66f59a81c229db4159f42e563a13d19de051ec85ca86_s390xRHSA-2026:19595
Fixed in:rhel9-operator@sha256:fa9cebe14d003ae002137462fc5833e5634fd040d8f25a66230da9a753891914_s390xRHSA-2026:19595
rhbk/keycloakRocky
Fixed in:rhel9@sha256:81773a34d38a8df4b07344fe4ba5670d18684b3579c9d2cf8d0690bf5ec5ab40_amd64RHSA-2026:19597
Fixed in:operator-bundle@sha256:15286c44c4003e787b0bdf9a0bbc5083a2f2312eaf29ccd0c6943232ff52d729_amd64RHSA-2026:19597
Fixed in:rhel9-operator@sha256:2a81955051fb0975bfcb77d25ed64c84038d3c7293f910aeb88f9241be531f9d_amd64RHSA-2026:19597
Fixed in:rhel9@sha256:554cd90241225b6d64d0e7ada9a8ab50ae2054efdb2f5b2cbdb721475ea296df_arm64RHSA-2026:19597
Fixed in:rhel9-operator@sha256:f80c9568ff4b3cc086b7107c8e68db5f548c2b51a01dd8c79d0c9705574a180c_arm64RHSA-2026:19597
Fixed in:rhel9@sha256:68b61a98fcdfd46a166cabe097d609d65fd51181860f9ec7f691bbe5d2a986db_s390xRHSA-2026:19597
Fixed in:rhel9-operator@sha256:d915c75947df63aed99031401dbf570181dba3c5a484eb88438a27892eb7aa72_s390xRHSA-2026:19597
Fixed in:rhel9@sha256:fa7342d82f080bfe8ffaaf5ba204b98dc435897a388b1501d23a1541fe7f1272_ppc64leRHSA-2026:19597
Fixed in:rhel9-operator@sha256:d8185614aa82117680351c710a5d7b80703a9d450dd02a7becfd1405cbc5ecd5_ppc64leRHSA-2026:19597
Fixed in:rhel9@sha256:a9aeb0bc33a3461fe2d407896422719b21b184717956cbcebac0da976a220c1c_arm64RHSA-2026:19595
Fixed in:rhel9-operator@sha256:88672078ac0b5a0da5b72c11751fa7b0c1c57679ec0f68cb1fe9ba76932397b5_arm64RHSA-2026:19595
Fixed in:rhel9@sha256:58e692074e695bee04981aff9641db8070ba1a49ee6134fcc008046cd84da21d_ppc64leRHSA-2026:19595
Fixed in:rhel9-operator@sha256:13d8216c9f47a6f73ea6ea5c9ae7b8b38a89c3822e48eeed7271e50970132175_ppc64leRHSA-2026:19595
Fixed in:rhel9@sha256:7861ca2441bed95aab1ad43f9159d5c60b522fe3f43833f1847bd1d3ddef94d3_amd64RHSA-2026:19595
Fixed in:operator-bundle@sha256:43a89aece29c0a33128e5a7be4ef26d96956fa125df89e22b183c40e50bb8a1d_amd64RHSA-2026:19595
Fixed in:rhel9-operator@sha256:4d2cc26a505eda68f7270c8e8a02d794588f9c7ceec98b763d83e3875f957132_amd64RHSA-2026:19595
Fixed in:rhel9@sha256:01a56463ad6790cf448e66f59a81c229db4159f42e563a13d19de051ec85ca86_s390xRHSA-2026:19595
Fixed in:rhel9-operator@sha256:fa9cebe14d003ae002137462fc5833e5634fd040d8f25a66230da9a753891914_s390xRHSA-2026:19595
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 ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploit Intelligence
0.74%probability of exploitation in 30 days
51stpercentile
Moderate risk: more likely to be exploited than 51% of all known CVEs.
References
Vendor Advisory6
Other references1
Related Vulnerabilities
Other CWE-1286 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2024-7954 | Critical | 9.8 | 90% | - | Fix |
| CVE-2025-13878 | High | 7.5 | 8.2% | - | Fix |
| CVE-2024-51983 | High | 7.5 | 7.8% | - | - |
| CVE-2026-21527 | High | 6.5 | 7.7% | - | Fix |
| CVE-2024-51982 | High | 7.5 | 7.1% | - | - |
| CVE-2023-27043 | Medium | 5.3 | 2.5% | - | Fix |
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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 2026-07-15.