VULNERABILITY INTELLIGENCE

CVE-2026-58150

CVSS score10 CRITICAL
EPSS probability0.57%
CISA KEVNot currently listed
Published2026-07-29
Last modified2026-10-01
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Description

Apache Traffic Server does not reject Transfer-Encoding in HTTP/2 requests, allowing downgrade request smuggling. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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.

Weakness classification

  • security@apache.org: CWE-444

Primary references