CVE-2026-33267: CWE-20 Improper Input Validation in Apache Software Foundation Apache Traffic Server
CVE-2026-33267 is a critical improper input validation vulnerability in Apache Traffic Server affecting versions from 9.2.0 through 9.2.14 and 10.1.0 through 10.1.3. The vulnerability allows an attacker to cause a complete compromise of confidentiality and integrity without requiring user interaction or privileges. Upgrading to versions 9.2.15 or 10.1.4 addresses this issue.
AI Analysis
Technical Summary
This vulnerability in Apache Traffic Server (CWE-20) involves improper input validation that affects versions 9.2.0 through 9.2.14 and 10.1.0 through 10.1.3. The flaw can be exploited remotely without authentication or user interaction, resulting in a critical impact on confidentiality and integrity. The Apache Software Foundation has fixed the issue in versions 9.2.15 and 10.1.4.
Potential Impact
Successful exploitation can lead to complete compromise of confidentiality and integrity of the affected system. The CVSS v3.1 base score is 10.0 (critical), indicating network attack vector, low complexity, no privileges required, no user interaction, and scope change with high confidentiality and integrity impact but no availability impact.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 to remediate this vulnerability. Patch status is confirmed by the vendor's version recommendations. No other mitigation steps are indicated.
CVE-2026-33267: CWE-20 Improper Input Validation in Apache Software Foundation Apache Traffic Server
Description
CVE-2026-33267 is a critical improper input validation vulnerability in Apache Traffic Server affecting versions from 9.2.0 through 9.2.14 and 10.1.0 through 10.1.3. The vulnerability allows an attacker to cause a complete compromise of confidentiality and integrity without requiring user interaction or privileges. Upgrading to versions 9.2.15 or 10.1.4 addresses this issue.
CVSS v3.1
Score 10.0critical
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Traffic Server (CWE-20) involves improper input validation that affects versions 9.2.0 through 9.2.14 and 10.1.0 through 10.1.3. The flaw can be exploited remotely without authentication or user interaction, resulting in a critical impact on confidentiality and integrity. The Apache Software Foundation has fixed the issue in versions 9.2.15 and 10.1.4.
Potential Impact
Successful exploitation can lead to complete compromise of confidentiality and integrity of the affected system. The CVSS v3.1 base score is 10.0 (critical), indicating network attack vector, low complexity, no privileges required, no user interaction, and scope change with high confidentiality and integrity impact but no availability impact.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 to remediate this vulnerability. Patch status is confirmed by the vendor's version recommendations. No other mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-03-18T15:36:26.858Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69adc79c2644c7f825aa7c
Added to database: 07/29/2026, 07:37:43 UTC
Last enriched: 08/05/2026, 14:46:54 UTC
Last updated: 09/11/2026, 22:06:33 UTC
Views: 67
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