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
2026-04-14T08:06:18.026Z
Modified
2026-07-15T01:49:20.448218304Z
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",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31908.json",
    "cwe_ids": [
        "CWE-75"
    ],
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.12.0"
                },
                {
                    "last_affected": "3.15.0"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "2.12.0"
                },
                {
                    "fixed": "3.15.0"
                }
            ]
        }
    ]
}
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 
{
    "cpe": "cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*",
    "source": "CPE_RANGE",
    "extracted_events": [
        {
            "introduced": "2.12.0"
        },
        {
            "fixed": "3.16.0"
        }
    ]
}

Database specific

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