CVE-2026-63041

highpriority · track · 35EPSS 0.007 · 52 %ileUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.68% (52nd) EPSS

CVSS 8.8 · high

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

nvd · osv

EPSS · scored 2026-10-26

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–high · 1.3–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9

v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · security@apache.org

v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-807US

affected products (2)

Products and version ranges known to be affected.

apache apisix3.11.0 → 3.18.0nvdUScpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*
Bitnami apisix3.11.0 → 3.18.0osvUSpkg:bitnami/apisix

advisories (1)

Vendor and ecosystem advisories describing this.

BIT-apisix-2026-63041Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers2026-08-28vendor · osvUS
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.

sources

Which sources assert this record, and when.

nvd osv NVD CVE.org MITRE

published 2026-08-26modified 2026-08-27

references (2) nvd

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/08/26/11Mailing ListThird Party Advisory
https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4Mailing ListVendor Advisory

scry

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