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CVE-2026-82806

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

No known exploitation. EPSS puts it in the 33rd percentile. Fixed in 3.7.0.

CVSS —Not scoredEPSS percentile33rd0.4% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
No public exploit knownFix3.7.0Upgrade to this build

Published Updated Sources: CVE.org, NVD

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • Apache Software Foundation Apache APISIXAffected: ≥ 2.3.0, < 3.7.0Upgrade to: 3.7.0Stated by: CVE record

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

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.

In plain language

No plain-language summary for this CVE yet.

Exploitation

Where each signal puts this CVE on the scale from published to confirmed exploited.

EPSS33rd
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

No public exploit or proof of concept found in the sources we track.

EPSS

0.4% chance of exploitation activity in the next 30 days, which ranks it in the 33rd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

5 events over 21 days, from the signal feeds we watch.

  1. OpenVAS check added
  2. Publishedweakness classified, record updated, record updated

Affected products

Technical detail

Weaknesses

Sources

References in the record

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We'll flag the next CVE, public exploit or patch for Apache APISIX, not every advisory.