CVE-2026-82806

Apache APISIX: cross-request permission pollution via static permission list mutation

Published Oct 1, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Exposure of data element to wrong session vulnerability in Apache APISIX.



This issue affects Apache APISIX: from 2.3.0 before 3.7.0.



Under a supported authz-keycloak configuration, a request's authorization scope could persist into later requests on the same route, leading to unintended authorization expansion and inconsistent access-control decisions.



Users are recommended to upgrade to version 3.7.0 or higher, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache apache Apisix
Vendors & Products Apache
Apache apache Apisix
Type Values Removed Values Added
Description Exposure of data element to wrong session vulnerability in Apache APISIX. This issue affects Apache APISIX: from 2.3.0 before 3.7.0. Under a supported authz-keycloak configuration, a request's authorization scope could persist into later requests on the same route, leading to unintended authorization expansion and inconsistent access-control decisions. Users are recommended to upgrade to version 3.7.0 or higher, which fixes the issue.
Title Apache APISIX: cross-request permission pollution via static permission list mutation
Weaknesses CWE-488
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 1, 2026, 2:57 PM
Reserved
Aug 31, 2026, 4:34 AM
Status
Deferred
Published
Oct 1, 2026, 11:17 AM
Modified
Oct 1, 2026, 3:17 PM