HIGH
Apache APISIX: JWT Algorithm Confusion allows authentication bypass
Published Jun 19, 2026
7.0
HIGHCVSS 4.0
EPSS 0.64%
Description
Authentication Bypass by Spoofing vulnerability in Apache APISIX.
The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin. This issue affects Apache APISIX: from v2.2 through v3.16.0.
Users are recommended to upgrade to version v3.17.0, which fixes the issue.
Affected products
-
- Version 2.2StatusaffectedConstraints<=3.16.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Apache Software Foundation | Apache APISIX | unaffected |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Weaknesses (1)
References (3)
- http://www.openwall.com/lists/oss-security/2026/06/19/5 Third Party Advisory
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38013 Advisory
- https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq vendor-advisoryVendor AdvisoryMailing List
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2026/06/19/5 | Third Party Advisory | |
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-38013 | Advisory | |
| https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq | vendor-advisoryVendor AdvisoryMailing List |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner apache
Published Jun 19, 2026
Updated Jun 22, 2026
Reserved Apr 8, 2026
Link CVE-2026-39999
CISA Vulnrichment
Updated Jun 22, 2026
ENISA EUVD
EUVD-2026-38013 Assigner apache
Published Jun 19, 2026
Updated Jun 22, 2026
Exploited since n/a
Link EUVD-2026-38013