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CVE

CVE-2026-31908

Apache APISIX: forward auth plugin allows header injection
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CVE

CVE-2026-31908

Apache APISIX: forward auth plugin allows header injection

Header injection vulnerability in Apache APISIX.

The attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.

This issue affects Apache APISIX: from 2.12.0 through 3.15.0.

Users are recommended to upgrade to version 3.16.0, which fixes the issue.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
-

Related Resources

No items found.

References

http://www.openwall.com/lists/oss-security/2026/04/14/3, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31908.json, https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b, https://nvd.nist.gov/vuln/detail/CVE-2026-31908

Severity

9.1

CVSS Score
0
10

Basic Information

Base CVSS
9.1
EPSS Probability
0.00521%
EPSS Percentile
0.42139%
Introduced Version
6193a307d1842b25456aa3e42a33674a724fb427
Fix Available
f9c4ee37170bdfe075c846973c1be65a582a0c4f

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