CVE-2026-57834: CWE-444 Inconsistent Interpretation of HTTP Requests in Apache Software Foundation Apache Traffic Server
Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3 contain a vulnerability that allows HTTP request smuggling via malformed chunked messages. This vulnerability is identified as CWE-444 and has a critical CVSS score of 10. Users are advised to upgrade to versions 9.2.15 or 10.1.4 where the issue is fixed.
AI Analysis
Technical Summary
CVE-2026-57834 is a critical vulnerability in Apache Traffic Server where inconsistent interpretation of HTTP requests allows request smuggling when chunked messages are malformed. This affects multiple version ranges: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability can lead to high impact including confidentiality and integrity compromise, as well as partial availability impact. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4.
Potential Impact
The vulnerability allows an attacker to perform HTTP request smuggling by exploiting malformed chunked messages. This can lead to serious impacts including complete confidentiality and integrity compromise of affected systems and partial denial of service. The CVSS score of 10 reflects the critical nature and ease of exploitation without privileges or user interaction.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory recommending these versions. No other mitigations are specified.
CVE-2026-57834: CWE-444 Inconsistent Interpretation of HTTP Requests in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3 contain a vulnerability that allows HTTP request smuggling via malformed chunked messages. This vulnerability is identified as CWE-444 and has a critical CVSS score of 10. Users are advised to upgrade to versions 9.2.15 or 10.1.4 where the issue is fixed.
CVSS v3.1
Score 10.0critical
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-57834 is a critical vulnerability in Apache Traffic Server where inconsistent interpretation of HTTP requests allows request smuggling when chunked messages are malformed. This affects multiple version ranges: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability can lead to high impact including confidentiality and integrity compromise, as well as partial availability impact. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4.
Potential Impact
The vulnerability allows an attacker to perform HTTP request smuggling by exploiting malformed chunked messages. This can lead to serious impacts including complete confidentiality and integrity compromise of affected systems and partial denial of service. The CVSS score of 10 reflects the critical nature and ease of exploitation without privileges or user interaction.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor advisory recommending these versions. No other mitigations are specified.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-25T17:14:10.028Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69adc79c2644c7f825aa88
Added to database: 07/29/2026, 07:37:43 UTC
Last enriched: 08/05/2026, 14:47:23 UTC
Last updated: 09/12/2026, 10:01:32 UTC
Views: 81
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