Distribution advisory
This page covers CVE-2025-26465 as tracked by Ubuntu, for the package openssh. The fix is available in version 1:9.6p1-3ubuntu13.12+Fips1; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: Required — someone has to click, open or visit something.
- Scope: Unchanged — the damage stays inside the vulnerable component.
- Confidentiality impact: High — total loss, or loss the attacker controls.
- Integrity impact: High — total loss, or loss the attacker controls.
- Availability impact: None.
Weakness class
UBUNTU-CVE-2025-26465 is classified as CWE-390: Detection of Error Condition Without Action. The product detects a specific error, but takes no actions to handle the error.
Affected software
UBUNTU-CVE-2025-26465 is recorded against 2 packages.
- openssh (fixed in 1:9.6p1-3ubuntu13.12+Fips1)
- openssh-ssh1
Timeline and source
Published on 18 February 2025 and last revised on 20 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
ubuntu.com (Advisory)
ubuntu.com (Advisory)
Other advisories for this package
openssh has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-390: Detection of Error Condition Without Action) in other software:
