CVE-2026-59847
highpriority · track · 30EPSS 0.003 · 26 %ileDEEUFRRUUSEPSS · scored 2026-10-26
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (36)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2428libssh: Mehrere SchwachstellenDeutsch2026-07-20csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in libssh ausnutzen, um erweiterte Berechtigungen zu erlangen, Sicherheitsmaßnahmen zu umgehen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Angriff auszulösen und Daten zu manipulieren.
- WID-SEC-W-2026-3595IBM QRadar SIEM: Mehrere SchwachstellenDeutsch2026-09-27csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in IBM QRadar SIEM ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen und um Sicherheitsvorkehrungen zu umgehen.
- CERTFR-2026-AVI-1385Multiples vulnérabilités dans les produits VMwareFrançais2026-10-26vendor · certfrFR
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (12)
External citations — patches, advisories, analysis.
- https://access.redhat.com/errata/RHSA-2026:42922cnnvd
- https://access.redhat.com/security/cve/CVE-2026-59847cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2498180cnnvd
- https://access.redhat.com/errata/RHSA-2026:42922enisa_euvd
- https://access.redhat.com/security/cve/CVE-2026-59847enisa_euvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2498180enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:42922Vendor Advisorynvd
- https://access.redhat.com/errata/RHSA-2026:55855nvd
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