CVE-2026-58153

HIGH

Apache Traffic Server: HTTP/2 to HTTP/1 conversion forwards origin trailers to clients unsafely

Title source: cna
STIX 2.1

Description

Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1. This issue affects Apache Traffic Server: 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 (1)

Core 1
Core References

Scores

CVSS v3 8.3
EPSS 0.0023
EPSS Percentile 14.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-444
Status published
Products (1)
Apache Software Foundation/Apache Traffic Server 10.0.0 - 10.1.3
Published Jul 29, 2026
Tracked Since Jul 29, 2026