CVE-2026-73283

LOW

2.5

CVSS v3

Description

In sshd in OpenSSH before 10.5, the restrict keyword (in authorized_keys) was supposed to be applicable to tunnel forwarding but was not.

CWE-670

How to fix

Remediation Available

opensshDebian

Fixed in:1:10.5p1-1CVE-2026-73283

openssh-gssapiDebian

Fixed in:1:10.5p1-1CVE-2026-73283

opensshRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

opensshRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-askpassRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-askpassRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-askpass-debuginfoRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-askpass-debuginfoRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-cavsRed Hat / RHEL

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-cavsRocky

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-cavs-debuginfoRed Hat / RHEL

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-cavs-debuginfoRocky

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-clientsRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-clientsRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-clients-debuginfoRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-clients-debuginfoRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-debuginfoRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-debuginfoRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-debugsourceRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-debugsourceRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-keycatRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-keycatRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-keycat-debuginfoRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-keycat-debuginfoRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-keysignRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

openssh-keysignRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

openssh-keysign-debuginfoRocky

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

openssh-keysign-debuginfoRed Hat / RHEL

Fixed in:0:9.9p1-27.el10_2RHSA-2026:69129

openssh-ldapRocky

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

openssh-ldapRed Hat / RHEL

Fixed in:0:8.0p1-34.el8_10RHSA-2026:88211

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 VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

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

Exploit Intelligence

0.09%probability of exploitation in 30 days

0thpercentile

Low risk: more likely to be exploited than 0% of all known CVEs.

References

Release Notes1

openssh.org

Related Vulnerabilities

Other CWE-670 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-9425	High	7.5	19%	-	Fix
CVE-2019-9946	High	7.5	3.2%	-	Fix
CVE-2024-32896	High	7.8	3.0%	KEV	-
CVE-2026-38361	High	7.5	2.8%	-	-
CVE-2019-17192	Critical	9.8	2.7%	-	-
CVE-2022-31116	High	7.5	2.5%	-	Fix

Common questions

How do I fix CVE-2026-73283?

Published advisories record a fix for 45 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-2026-73283 being actively exploited?

Not that we know of. CVE-2026-73283 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.09% is the estimated probability that it will be exploited in the next 30 days. That is higher than 0% of all scored CVEs.

How severe is CVE-2026-73283?

CVE-2026-73283 has a CVSS v3 base score of 2.5, rated low. 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-2026-73283 affect?

Published advisories record a fix for openssh (Debian), openssh-gssapi (Debian), openssh (Rocky), openssh (Red Hat / RHEL), and 41 more. Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-10-24.