CVE-2026-58153: CWE-444 Inconsistent Interpretation of HTTP Requests in Apache Software Foundation Apache Traffic Server
Apache Traffic Server versions 10.0.0 through 10.1.3 have a vulnerability where HTTP/2 origin trailers are forwarded to HTTP/1 clients without proper chunked framing during protocol conversion. This inconsistent interpretation of HTTP requests can lead to impacts on confidentiality, integrity, and availability. Upgrading to versions 9.2.15 or 10.1.4 resolves this issue.
AI Analysis
Technical Summary
CVE-2026-58153 is a vulnerability in Apache Traffic Server affecting versions from 10.0.0 through 10.1.3. The flaw involves improper handling of HTTP/2 origin trailers when converting requests to HTTP/1, specifically forwarding them without proper chunked framing. This inconsistent interpretation of HTTP requests is classified under CWE-444. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability with scope changed.
Potential Impact
Successful exploitation could allow an attacker to cause partial disclosure of information, modification of data, or denial of service due to improper HTTP request handling during protocol conversion. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other mitigation or temporary workaround is indicated by the vendor advisory.
CVE-2026-58153: CWE-444 Inconsistent Interpretation of HTTP Requests in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server versions 10.0.0 through 10.1.3 have a vulnerability where HTTP/2 origin trailers are forwarded to HTTP/1 clients without proper chunked framing during protocol conversion. This inconsistent interpretation of HTTP requests can lead to impacts on confidentiality, integrity, and availability. Upgrading to versions 9.2.15 or 10.1.4 resolves this issue.
CVSS v3.1
Score 8.3high
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58153 is a vulnerability in Apache Traffic Server affecting versions from 10.0.0 through 10.1.3. The flaw involves improper handling of HTTP/2 origin trailers when converting requests to HTTP/1, specifically forwarding them without proper chunked framing. This inconsistent interpretation of HTTP requests is classified under CWE-444. The vulnerability has a CVSS 3.1 base score of 8.3, indicating high severity with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability with scope changed.
Potential Impact
Successful exploitation could allow an attacker to cause partial disclosure of information, modification of data, or denial of service due to improper HTTP request handling during protocol conversion. The vulnerability affects confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other mitigation or temporary workaround is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:34:03.148Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69bbd69c2644c7f835ad29
Added to database: 07/29/2026, 08:37:42 UTC
Last enriched: 08/05/2026, 15:10:40 UTC
Last updated: 09/12/2026, 13:42:00 UTC
Views: 69
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