CVE-2026-111804 — HIGH (8.2)

Vulnerability Description

Apache Traffic Server's experimental wasm plugin has a use-after-free in its transaction-close handler and forwards unvalidated guest-supplied metric IDs to the internal stats API. This issue affects Apache Traffic Server: from 10.0.0 through 10.1.4, 10.2.0. Users are recommended to upgrade to version 10.1.5 or 10.2.1, which fix the issue.

CVSS Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

LOW

Availability

HIGH

Related Weaknesses (CWE)

CWE-416

References

https://lists.apache.org/thread/r95dq29ywcd1f4x30snxlqmb12z4s4kc

FAQ

What is CVE-2026-111804?

CVE-2026-111804 is a vulnerability with a CVSS score of 8.2 (HIGH). Apache Traffic Server's experimental wasm plugin has a use-after-free in its transaction-close handler and forwards unvalidated guest-supplied metric IDs to the internal stats API. This issue affec...

How severe is CVE-2026-111804?

CVE-2026-111804 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-111804?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.