Answer in brief
CVE-2026-63041 records a Medium severity (CVSS 8.8) vulnerability in Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers. The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache APISIX (generic), Apache Software Foundation/Apache APISIX (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Apache Software Foundation/Apache APISIX (generic), Apache Software Foundation/Apache APISIX (generic). Check affected ranges and fixed versions before updating.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Apache Software Foundation/Apache APISIXgeneric | 3.11.0 | Not reported |
| Apache Software Foundation/Apache APISIXgeneric | >=3.11.0 <=3.17.0 | Not reported |
Published upstream
Aug 26, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 27, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 26, 2026
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.
Quoted source text, attributed separately from HOL analysis.