Search/CVE-2026-59847
● CVE — Medium

CVE-2026-59847

Vendorredhat, libsshProductenterprise linux, hardened images, libsshDiscoveredJul 21, 2026UpdatedSep 4, 2026

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.

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CVSS v3.1
5.9 MEDIUM
EPSS
0.33%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
1
sources referencing this CVE
Related IOCs
0
seen in the same coverage
Intelligence Reports1
1 intelligence report available

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EPSS Trend
Aug 19, 2026 → Oct 2, 2026
▲ 0.02pp
0.31% → 0.33% over 6 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityHIGH
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityNONE
IntegrityHIGH
AvailabilityNONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Connections
6 relationships
Timeline
disclosure → media coverage
Jul 21, 2026
Disclosure — published as a CVE record. · last revised by NVD Sep 4, 2026
Aug 31, 2026
ubuntu.com reports: USN-8699-1: libssh vulnerabilities