Skip to main content
CVE-2026-4599VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Quay 3.9.20

Affects Red HatSource GCVE Database

0
Compare

Mentioned vulnerabilities

Authoritative record:CVE-2026-4599· Critical 9.3

Not known to be exploited · CVSS 9.3 Critical : upgrade Red Hat jsrsasign to 11.1.1 as a priority.

Data as of 30 Oct 2026, 06:59 UTC

CVSS 4.0 base score
9.3Critical
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 11.1.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 23 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 29 Oct 2026.

What to do

Upgrade jsrsasign to 11.1.1.

Affected software

ProductAffectedFixed in
jsrsasignAffected
  • >=7.0.0 <11.1.1
Fixed in
  • 11.1.1
org.webjars.npm:jsrsasignAffected
  • >=8.0.12
Fixed in–
npmjsrsasignpkg:npm/jsrsasignOther threatsAffected
  • <=11.1.1
Fixed in–

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

AI-suggested

A fixed version, Red Hat Quay 3.9.20, is available and should be applied to remediate these vulnerabilities. Before updating, ensure all previously released errata relevant to your system are applied. No additional mitigations are specified by Red Hat. There are no known exploits in the wild, so applying the official update is the recommended action.

Description

Quay 3.9.20

References

Community reviews

Loading reviews…