2.5

CVE-2026-73283: openbsd openssh

CVSS: 2.5v3.1LowAnalyzed
AliasesALPINE-CVE-2026-73283UBUNTU-CVE-2026-73283DEBIAN-CVE-2026-73283
Published 11-08-2026Last modified 11-08-2026

Vulnerability summary

CVE-2026-73283 is a low (CVSS 2.5) vulnerability in openbsd openssh. EPSS estimates a 0.09% chance of exploitation in the next 30 days, higher than 0.4% of scored vulnerabilities.

Overall risk
10/100
0100
Low · default modelHow is this calculated?
CVSS score
2.5/10
010
Low · v3.1 (CVE.org)
EPSS score
0.09%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 4

Timeline

  1. 11-08-2026
    PublishedVulnerability first disclosed.
  2. 11-08-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.09%

Chance of exploitation in the next 30 days

Percentile

0%

Versus all other CVEs

30-day change

0.00 pp

From 0.09% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian2 products
  • opensshAll versions (No fix recorded) | < 1:10.5p1-1
  • openssh-gssapi< 1:10.5p1-1
Ubuntu2 products
  • opensshAll versions (No fix recorded) | < 1:8.9p1-3ubuntu0.17 | < 1:9.6p1-3ubuntu13.19 | < 1:9.6p1-3ubuntu13.19+Fips1 | < 1:10.2p1-2ubuntu3.6
  • openssh-ssh1All versions (No fix recorded)
Alpine1 product
  • openssh< 10.3_p1-r1
Openbsd1 product

4 vendors · 6 products

References

8 links