Skip to main content
VulnerabilityPublished

CVE-2026-65325: Apache Traffic Server · Improper Certificate Validation

Affects Apache Traffic ServerSource CVE Database V5

0

Not known to be exploited · CVSS 4.8 Medium · fixed in 9.2.15 : update Apache Traffic Server when convenient.

Data as of 28 Oct 2026, 05:11 UTC

CVSS 3.1 base score
4.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.2.15
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Jul 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

Affected software

ProductAffectedFixed in
Apache Software FoundationApache Traffic ServerAffected
  • >=9.0.0 <=9.2.14
  • >=10.0.0 <=10.1.3
Fixed in–

AI-suggested

Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, where this certificate validation issue has been fixed. No other mitigations are specified or required.

Description

Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname. This issue affects Apache Traffic Server: from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

References

Community reviews

Loading reviews…