CVE-2026-63041: CWE-807 Reliance on Untrusted Inputs in a Security Decision in Apache Software Foundation Apache APISIX
Description
CVE-2026-63041 is a medium severity vulnerability in Apache APISIX affecting versions from 3.11.0 through 3.17.0. It involves reliance on untrusted inputs in a security decision within the attach-consumer-label plugin, which does not properly sanitize certain values. This flaw can allow an attacker to escalate privileges or bypass authorization. The issue is fixed in Apache APISIX version 3.18.0.
CVSS v4.0
Score 5.3medium
Affected software
Apache Software Foundation
Apache APISIX
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache APISIX arises from improper sanitization of inputs by the attach-consumer-label plugin, leading to reliance on untrusted inputs in security decisions (CWE-807). The flaw allows attackers to escalate privileges or bypass authorization controls by sending crafted values. It affects Apache APISIX versions 3.11.0 through 3.17.0. The vendor recommends upgrading to version 3.18.0 where the issue is resolved.
Potential Impact
An attacker can exploit this vulnerability to escalate privileges or bypass authorization mechanisms in Apache APISIX, potentially gaining unauthorized access or performing actions beyond their intended permissions. The CVSS 4.0 base score is 5.3, indicating medium severity with network attack vector, low attack complexity, and no user interaction required.
Mitigation Recommendations
Users should upgrade Apache APISIX to version 3.18.0 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-15T06:02:37.973Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a8ed39aacd9273b49d232ae
Added to database: 08/26/2026, 11:52:58 UTC
Last enriched: 09/10/2026, 11:38:24 UTC
Last updated: 10/08/2026, 18:48:47 UTC
Views: 94
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