CVE-2026-63041: apisix — Fix

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.

Is your site exposed to CVE-2026-63041?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0068

Probability of exploitation

0.51%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-807 CWE-807

Affected Products

Vendor	Product	Versions
apache	apisix	3.11.0 — 3.18.0

References

Advisories & Patches

https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4

Other References

http://www.openwall.com/lists/oss-security/2026/08/26/11

Frequently Asked Questions

What is CVE-2026-63041? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-63041? +

CVE-2026-63041 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0068, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-63041? +

CVE-2026-63041 affects products from apache, specifically: apisix. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-63041? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-6213

A vulnerability in Remote Spark SparkView before build 1122 allows an attacker to bypasses the local connection check and achieve …

CVE-2024-9310

By utilizing software-defined radios and a custom low-latency processing pipeline, RF signals with spoofed location data can be transmitted to …

CVE-2025-24369

Anubis is a tool that allows administrators to protect bots against AI scrapers through bot-checking heuristics and a proof-of-work challenge …

CVE-2025-0117

A reliance on untrusted input for a security decision in the GlobalProtect app on Windows devices potentially enables a locally …

CVE-2026-9561

Eclipse Kura versions prior to 5.6.2 trust the client-supplied X-Forwarded-For HTTP header as the authoritative source of the client IP …

CVE-2026-39807

Reliance on Untrusted Inputs in a Security Decision vulnerability in mtrudel bandit allows unauthenticated transport-state spoofing on plaintext HTTP connections. …

CVE-2026-63041