Back to CVE records
High 7.5Published Jul 21, 2026
CVE-2026-59847A flaw was found in libssh.
Updated under an hour ago ()
Does this affect you?
It affects libssh and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.
- CVSS
- 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Weakness (CWE)
- CWE-253, CWE-1310
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Sep 4, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
libssh libssh libssh:libssh | from 0.9.0 before 0.11.5; 0.12.0 | NVD |
redhat hardened_images redhat:hardened_images | all versions | NVD |
redhat enterprise_linux redhat:enterprise_linux | 8.0; 9.0; 10.0 | NVD |
References
- https://access.redhat.com/errata/RHSA-2026:42922third-party-advisory
- https://access.redhat.com/errata/RHSA-2026:55855third-party-advisory
- https://access.redhat.com/errata/RHSA-2026:62217third-party-advisory
- https://access.redhat.com/errata/RHSA-2026:62218third-party-advisory
- https://access.redhat.com/security/cve/CVE-2026-59847third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2498180issue-tracking, third-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.