Vulnerability from bitnami_vulndb
Published
2026-04-16 23:36
Modified
2026-04-17 09:12
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.
{
"affected": [
{
"package": {
"ecosystem": "Bitnami",
"name": "apisix",
"purl": "pkg:bitnami/apisix"
},
"ranges": [
{
"events": [
{
"introduced": "2.12.0"
},
{
"fixed": "3.16.0"
}
],
"type": "SEMVER"
}
],
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
]
}
],
"aliases": [
"CVE-2026-31908"
],
"database_specific": {
"cpes": [
"cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:*"
],
"severity": "Critical"
},
"details": "Header injection vulnerability in Apache APISIX.\n\nThe attacker can take advantage of certain configuration in forward-auth plugin to inject malicious headers.\nThis issue affects Apache APISIX: from 2.12.0 through 3.15.0.\n\nUsers are recommended to upgrade to version 3.16.0, which fixes the issue.",
"id": "BIT-apisix-2026-31908",
"modified": "2026-04-17T09:12:55.244Z",
"published": "2026-04-16T23:36:03.898Z",
"references": [
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2026/04/14/3"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread/sob643s5lztov7x579j8o0c444t36n6b"
},
{
"type": "WEB",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31908"
}
],
"schema_version": "1.6.2",
"summary": "Apache APISIX: forward auth plugin allows header injection"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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