5.3
MEDIUM CVSS 4.0
CVE-2026-63041
Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers
Description

Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

INFO

Published Date :

Aug. 26, 2026, 11:34 a.m.

Last Modified :

Aug. 26, 2026, 11:34 a.m.

Remotely Exploit :

Yes !

Source :

apache
Affected Products

The following products are affected by CVE-2026-63041 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache apisix
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 4.0 MEDIUM f0158376-9dc2-43b6-827c-5f631a4d8d09
Solution
Upgrade Apache APISIX to version 3.18.0 to fix the sanitization issue.
  • Upgrade Apache APISIX to version 3.18.0.
  • Apply sanitization fixes to the attach-consumer-label plugin.
  • Validate user input sanitization.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-63041 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.