CVE-2026-31908

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Source
https://cve.org/CVERecord?id=CVE-2026-31908
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31908.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-31908
Aliases
Published
2026-04-14T08:06:18Z
Modified
2026-08-12T03:51:13Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
Apache APISIX: forward auth plugin allows header injection
Details

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.

Database specific 
{
    "cna_assigner":  "apache",
    "cwe_ids":  [
        "CWE-75"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31908.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "2.12.0"
                },
                {
                    "last_affected":  "3.15.0"
                }
            ],
            "source":  "AFFECTED_FIELD"
        },
        {
            "extracted_events":  [
                {
                    "introduced":  "2.12.0"
                },
                {
                    "fixed":  "3.15.0"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/apache/apisix

Affected ranges

Type
GIT
Repo
https://github.com/apache/apisix
Events
Introduced
6193a307d1842b25456aa3e42a33674a724fb427
Fixed
f9c4ee37170bdfe075c846973c1be65a582a0c4f
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "2.12.0"
        },
        {
            "fixed":  "3.16.0"
        }
    ],
    "source":  "CPE_RANGE"
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-31908.json"