Quick answers
- Is CVE-2026-111810 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-111810 being exploited in the wild.
- How severe is CVE-2026-111810?
- High severity, with a CVSS score of 7.5, published 21 October 2026.
- Which products and versions are affected?
- Apache Traffic Server 9.2.15, 10.1.4, 10.2.0.
- Is there a fix for CVE-2026-111810?
- Yes: fixed in 9.2.16, 10.1.5, 10.2.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-111810 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-111810?
- Check whether you run Apache Traffic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 9.2.16, 10.1.5, 10.2.1
Technical details
Apache Traffic Server fails to throttle diagnostic logging when stripping internal @ headers from requests. An attacker on the network can send HTTP requests containing many @ headers, causing the proxy to write one unthrottled log line per header, resulting in log flooding and potential disk exhaustion or performance degradation.
Affected products
- Apache Traffic Server 9.2.15, 10.1.4, 10.2.0
Timeline
- 2026-10-21: disclosed