What is CVE-2026-47341?

CVE-2026-47341 is a medium-severity vulnerability in Apache Apisix, classified under Authentication Bypass by Capture-replay. CVSS score: 6.5/10. Published 2026-06-19.

How severe is CVE-2026-47341?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Apache Apisix

CVE-2026-47341

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.

Published 2026-06-19 · last modified 2026-06-23.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Apache Apisix
Apache Software Foundation Apisix — versions 3.11.0

Weakness classification (CWE)

CWE-294 — Authentication Bypass by Capture-replay

References

lists.apache.org/thread/ob6ng9x2hxtyfojs839hs1n0v18xxzf2 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-47341?: CVE-2026-47341 is a medium-severity vulnerability in Apache Apisix, classified under Authentication Bypass by Capture-replay. CVSS score: 6.5/10. Published 2026-06-19.
How severe is CVE-2026-47341?: Medium severity. CVSS v3 base score is 6.5 out of 10.