CVE-2026-82806: apache software foundation apache apisix
Vulnerability summary
CVE-2026-82806 is a medium (CVSS 5.3) vulnerability in apache software foundation apache apisix. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.4% of scored vulnerabilities.
Timeline
- 01-10-2026PublishedVulnerability first disclosed.
- 01-10-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS: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:X
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
32%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache software foundation1 product
- apache apisix≥ 2.3.0, < 3.7.0
1 vendor · 1 product