CVE-2026-47341 PUBLISHED

Apache APISIX: Session replay issue in hmac-auth

Assigner: apache
Reserved: 19.05.2026 Published: 19.06.2026 Updated: 19.06.2026

Authentication Bypass by Capture-replay vulnerability in Apache APISIX.

Attacker can benefit from certain configurations in hmac-auth to re-use a token forever, bypassing expiry. This issue affects Apache APISIX: from 3.11.0 through 3.16.0.

Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	Low
Attack Complexity	Low	Integrity	None	Integrity	Low
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache APISIX
Versions	Default: unaffected affected from 3.11.0 to 3.16.0 (incl.)

Credits

leon reporter

References

https://lists.apache.org/thread/ob6ng9x2hxtyfojs839hs1n0v18xxzf2

Problem Types

CWE-294 Authentication Bypass by Capture-replay CWE