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.
CVSS score
2.5/10
010
Low · v3.1 (CVE.org)EPSS score
0.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 11-08-2026PublishedVulnerability first disclosed.
- 11-08-2026Last 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 versionLow 2.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:NSourcesAll 5 agree
- OSV · AlpineEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · UbuntuEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- OSV · DebianEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVDNIST2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
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 score0.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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
- openssh< 10.5
4 vendors · 6 products