Skip to main content
CVE-2026-39831VulnerabilityPublished Updated

Red Hat Security Advisory: RHTAS 1.4.3 - Red Hat Trusted Artifact Signer Release

Affects Red HatSource GCVE Database

0
Authoritative record:CVE-2026-39831· Critical 9.1

Not known to be exploited · CVSS 9.1 Critical : upgrade Red Hat ssh to 0.52.0 as a priority.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 0.52.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade golang.org/x/crypto/ssh to 0.52.0.

Affected software

ProductAffectedFixed in
golang.org/x/cryptogolang.org/x/crypto/sshAffected
  • <0.52.0
Fixed in
  • 0.52.0
Gogolang.org/x/crypto/sshpkg:golang/golang.org/x/crypto/sshOther threatsAffected
  • =0
Fixed in–
Gogolang.org/x/crypto/sshpkg:golang/golang.org/x/crypto/sshOther threatsAffected
  • <0.52.0
Fixed in
  • 0.52.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

The RHTAS Operator can be used with OpenShift Container Platform 4.17, 4.18, 4.19, 4.20, 4.21, 4.22

References

Community reviews

Loading reviews…