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CVE-2026-49230 Apache Software Foundation CVE debrief

CVE-2026-49230 is a MEDIUM-severity vulnerability in Apache APISIX, affecting versions from 3.8.0 through 3.16.0. The issue lies in the jwe-decrypt plugin, which under default configuration, is vulnerable to authentication bypass. Defenders should prioritize upgrading to version 3.17.0, which fixes the issue. This vulnerability has a CVSS score of 6.3, indicating moderate risk.

Vendor
Apache Software Foundation
Product
Apache APISIX
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-19
Original CVE updated
2026-06-23
Advisory published
2026-06-19
Advisory updated
2026-06-23

Who should care

Defenders managing Apache APISIX instances, particularly those using versions between 3.8.0 and 3.16.0, should be aware of this vulnerability. The authentication bypass risk in the jwe-decrypt plugin poses a significant threat to the security of affected systems.

Technical summary

The CVE-2026-49230 vulnerability is caused by improper validation of integrity check values in the jwe-decrypt plugin of Apache APISIX. This plugin, under default configuration, is susceptible to authentication bypass attacks. The vulnerability affects Apache APISIX versions from 3.8.0 through 3.16.0. The CVSS:4.0 vector is AV:N/AC:L/AT:P/PR:N/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, indicating a medium severity with a score of 6.3.

Defensive priority

Upgrade to version 3.17.0 to fix the vulnerability. Implement compensating controls to monitor and limit exposure.

Recommended defensive actions

  • Upgrade Apache APISIX to version 3.17.0
  • Review and adjust configurations for the jwe-decrypt plugin
  • Monitor for suspicious activity related to authentication bypass attempts
  • Implement additional security measures to compensate for the vulnerability
  • Verify the integrity of APISIX instances and plugins

Evidence notes

The primary evidence for this vulnerability comes from the CVE record and NVD detail pages. The vulnerability affects Apache APISIX versions from 3.8.0 through 3.16.0. Defenders should verify the version of APISIX in use and confirm if it falls within the affected range. Official sources, such as the Apache security mailing list and Openwall lists, provide additional context and references.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49230 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49230

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49230 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49230

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.