CVE-2026-41920: CWE-284 Improper Access Control in Apache Software Foundation Apache Traffic Server
CVE-2026-41920 is an improper access control vulnerability in Apache Traffic Server affecting versions from 9.0.0 through 9.1.14 and 10.0.0 through 10.1.3. The vulnerability allows unauthorized access that can lead to a partial loss of confidentiality and a high impact on integrity without affecting availability. Users are advised to upgrade to versions 9.1.15 or 10.1.4 where the issue is fixed.
AI Analysis
Technical Summary
This vulnerability (CWE-284) in Apache Traffic Server involves improper access control, allowing unauthorized users to bypass restrictions. It affects versions 9.0.0 through 9.1.14 and 10.0.0 through 10.1.3. The CVSS 3.1 base score is 9.3, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and scope changed. The impact includes partial confidentiality loss and high integrity impact. The vendor has released fixed versions 9.1.15 and 10.1.4 to address this issue.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized access resulting in partial confidentiality loss and high integrity impact on the affected Apache Traffic Server instances. There is no impact on availability. The vulnerability can be exploited remotely without authentication or user interaction, increasing the risk of widespread exploitation.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server versions to 9.1.15 or 10.1.4, which contain the official fixes for this vulnerability. Patch status is confirmed by the vendor advisory indicating these versions resolve the issue. No other mitigations are specified or required.
CVE-2026-41920: CWE-284 Improper Access Control in Apache Software Foundation Apache Traffic Server
Description
CVE-2026-41920 is an improper access control vulnerability in Apache Traffic Server affecting versions from 9.0.0 through 9.1.14 and 10.0.0 through 10.1.3. The vulnerability allows unauthorized access that can lead to a partial loss of confidentiality and a high impact on integrity without affecting availability. Users are advised to upgrade to versions 9.1.15 or 10.1.4 where the issue is fixed.
CVSS v3.1
Score 9.3critical
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-284) in Apache Traffic Server involves improper access control, allowing unauthorized users to bypass restrictions. It affects versions 9.0.0 through 9.1.14 and 10.0.0 through 10.1.3. The CVSS 3.1 base score is 9.3, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and scope changed. The impact includes partial confidentiality loss and high integrity impact. The vendor has released fixed versions 9.1.15 and 10.1.4 to address this issue.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized access resulting in partial confidentiality loss and high integrity impact on the affected Apache Traffic Server instances. There is no impact on availability. The vulnerability can be exploited remotely without authentication or user interaction, increasing the risk of widespread exploitation.
Mitigation Recommendations
Users should upgrade affected Apache Traffic Server versions to 9.1.15 or 10.1.4, which contain the official fixes for this vulnerability. Patch status is confirmed by the vendor advisory indicating these versions resolve the issue. No other mitigations are specified or required.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-04-22T18:29:52.070Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69adc79c2644c7f825aa85
Added to database: 07/29/2026, 07:37:43 UTC
Last enriched: 08/05/2026, 15:09:09 UTC
Last updated: 09/12/2026, 22:01:33 UTC
Views: 67
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