UnratedFix available

DEBIAN-CVE-2026-6321

Type: advisorySource: OSV1 source record

fast-uri decoded percent-encoded path separators and dot segments before applying dot-segment removal in its normalize() and equal() functions. Encoded path data was treated like real slashes and parent-directory references, so distinct URIs could collapse onto the same normalized path. Applications that normalize or compare attacker-controlled URLs to enforce path-based policy can be bypassed, with a path that appears confined under an allowed prefix normalizing to a different location. Versions <= 3.1.0 are affected. Update to 3.1.1 or later.

Announced 4 May 2026Group revision 1

Original source ↗

DEBIAN-CVE-2026-6321

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:DEBIAN-CVE-2026-6321

node-ajv

Source reference: /affected/0/package/name

Affected versions: 6.12.6-3
Source reference: /affected/0/versions
8.11.2~ds+~2.1.1-1
Source reference: /affected/0/versions
8.12.0~ds+~2.1.1-1
Source reference: /affected/0/versions
8.12.0~ds+~2.1.1-2
Source reference: /affected/0/versions
8.12.0~ds+~2.1.1-3
Source reference: /affected/0/versions
8.12.0~ds+~2.1.1-4
Source reference: /affected/0/versions
8.12.0~ds+~2.1.1-5
Source reference: /affected/0/versions
8.17.1~ds+~3.0.1+~3.1.0-1
Source reference: /affected/0/versions
8.17.1~ds+~3.0.1+~3.1.0-2
Source reference: /affected/0/versions
8.17.1~ds+~3.0.1+~3.1.0-3
Source reference: /affected/0/versions
8.17.1~ds+~3.0.1+~3.1.0-4
Source reference: /affected/0/versions
8.18.0~ds+~cs6.1.1-1
Source reference: /affected/0/versions
8.18.0~ds+~cs6.1.1-2
Source reference: /affected/0/versions
8.20.0~ds+~cs6.1.3-1
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.2-1
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.3-1
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.3-2
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.3-3
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.4-1
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.5-1
Source reference: /affected/0/versions
8.20.0~ds+~cs7.1.6-1
Source reference: /affected/0/versions
8.8.2~ds+~2.1.1-1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

node-ajv

Source reference: /affected/1/package/name

Affected versions: 8.12.0~ds+~2.1.1-5
Source reference: /affected/1/versions
8.17.1~ds+~3.0.1+~3.1.0-1
Source reference: /affected/1/versions
8.17.1~ds+~3.0.1+~3.1.0-2
Source reference: /affected/1/versions
8.17.1~ds+~3.0.1+~3.1.0-3
Source reference: /affected/1/versions
8.17.1~ds+~3.0.1+~3.1.0-4
Source reference: /affected/1/versions
8.18.0~ds+~cs6.1.1-1
Source reference: /affected/1/versions
8.18.0~ds+~cs6.1.1-2
Source reference: /affected/1/versions
8.20.0~ds+~cs6.1.3-1
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.2-1
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.3-1
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.3-2
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.3-3
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.4-1
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.5-1
Source reference: /affected/1/versions
8.20.0~ds+~cs7.1.6-1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

node-ajv

Source reference: /affected/2/package/name

Affected versions: 8.12.0~ds+~2.1.1-5
Source reference: /affected/2/versions
8.17.1~ds+~3.0.1+~3.1.0-1
Source reference: /affected/2/versions
8.17.1~ds+~3.0.1+~3.1.0-2
Source reference: /affected/2/versions
8.17.1~ds+~3.0.1+~3.1.0-3
Source reference: /affected/2/versions
8.17.1~ds+~3.0.1+~3.1.0-4
Source reference: /affected/2/versions
8.18.0~ds+~cs6.1.1-1
Source reference: /affected/2/versions
8.18.0~ds+~cs6.1.1-2
Source reference: /affected/2/versions
Fixed versions: 8.20.0~ds+~cs6.1.3-1
Source reference: /affected/2/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "node-ajv",
      "purl": "pkg:deb/debian/node-ajv?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "6.12.6-3",
      "8.11.2~ds+~2.1.1-1",
      "8.12.0~ds+~2.1.1-1",
      "8.12.0~ds+~2.1.1-2",
      "8.12.0~ds+~2.1.1-3",
      "8.12.0~ds+~2.1.1-4",
      "8.12.0~ds+~2.1.1-5",
      "8.17.1~ds+~3.0.1+~3.1.0-1",
      "8.17.1~ds+~3.0.1+~3.1.0-2",
      "8.17.1~ds+~3.0.1+~3.1.0-3",
      "8.17.1~ds+~3.0.1+~3.1.0-4",
      "8.18.0~ds+~cs6.1.1-1",
      "8.18.0~ds+~cs6.1.1-2",
      "8.20.0~ds+~cs6.1.3-1",
      "8.20.0~ds+~cs7.1.2-1",
      "8.20.0~ds+~cs7.1.3-1",
      "8.20.0~ds+~cs7.1.3-2",
      "8.20.0~ds+~cs7.1.3-3",
      "8.20.0~ds+~cs7.1.4-1",
      "8.20.0~ds+~cs7.1.5-1",
      "8.20.0~ds+~cs7.1.6-1",
      "8.8.2~ds+~2.1.1-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "node-ajv",
      "purl": "pkg:deb/debian/node-ajv?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "8.12.0~ds+~2.1.1-5",
      "8.17.1~ds+~3.0.1+~3.1.0-1",
      "8.17.1~ds+~3.0.1+~3.1.0-2",
      "8.17.1~ds+~3.0.1+~3.1.0-3",
      "8.17.1~ds+~3.0.1+~3.1.0-4",
      "8.18.0~ds+~cs6.1.1-1",
      "8.18.0~ds+~cs6.1.1-2",
      "8.20.0~ds+~cs6.1.3-1",
      "8.20.0~ds+~cs7.1.2-1",
      "8.20.0~ds+~cs7.1.3-1",
      "8.20.0~ds+~cs7.1.3-2",
      "8.20.0~ds+~cs7.1.3-3",
      "8.20.0~ds+~cs7.1.4-1",
      "8.20.0~ds+~cs7.1.5-1",
      "8.20.0~ds+~cs7.1.6-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "8.20.0~ds+~cs6.1.3-1"
          }
        ]
      }
    ],
    "package": {
      "name": "node-ajv",
      "purl": "pkg:deb/debian/node-ajv?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "8.12.0~ds+~2.1.1-5",
      "8.17.1~ds+~3.0.1+~3.1.0-1",
      "8.17.1~ds+~3.0.1+~3.1.0-2",
      "8.17.1~ds+~3.0.1+~3.1.0-3",
      "8.17.1~ds+~3.0.1+~3.1.0-4",
      "8.18.0~ds+~cs6.1.1-1",
      "8.18.0~ds+~cs6.1.1-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6321.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #58115 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 17:38:23 GMT
Publisher date: Mon, 04 May 2026 20:16:20 GMT

Read the original announcement

Revision history

25 Oct 2026DEBIAN-CVE-2026-6321 · Revision 1Source updated