BIT-apisix-2026-39998

vendorUSosv

Apache APISIX: Identity Injection via forward-auth Plugin Missing Header Cleanup

view advisory published 2026-06-23Licence: per source

Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue affects Apache APISIX: from 2.12.0 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-39998US	high8.8	0.68% (52nd)	—	2026-06-19
Improper Input Validation vulnerability in Apache APISIX. The attacker can take advantage of certain configuration in forward-auth plugin to spoof identity headers. This issue aff…

references

External citations — patches, advisories, analysis.

http://www.openwall.com/lists/oss-security/2026/06/19/4ADVISORY
https://lists.apache.org/thread/vgkvy396010d7g6m0jrn4d3hjf2svlvvADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-39998WEB

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