CVE catalog

CVE-2018-1048

DEBIAN-

[CVE catalog]

It was found that the AJP connector in undertow, as shipped in Jboss EAP 7.1.0.GA, does not use the ALLOW_ENCODED_SLASH option and thus allow the the slash / anti-slash characters encoded in the url which may lead to path traversal and result in the information disclosure of arbitrary local files.

Severity
High · CVSS 8.6CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Published
Updated
Source
[NVD] · [CVE record]
EPSS
1.59% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Distribution / releasePackageVersionStatusSource
Debian14undertow1.3.11-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.16-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.19-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.21-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.23-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.4-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.5-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.7-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.0-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.1-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.18-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.20-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]

Showing 12 observations. All 20 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Debian14undertow1.3.11-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.16-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.19-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.21-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.23-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.4-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.5-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.3.7-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.0-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.1-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.18-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.20-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.21-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.21-2UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.22-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.3-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.4-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.6-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.7-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Debian14undertow1.4.8-1UnknownSource applicability is not established[DEBIAN-CVE-2018-1048]
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "undertow",
      "distro": "debian",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.22-1"
            }
          ]
        }
      ],
      "release": "14",
      "versions": [
        "1.3.11-1",
        "1.3.16-1",
        "1.3.19-1",
        "1.3.21-1",
        "1.3.23-1",
        "1.3.4-1",
        "1.3.5-1",
        "1.3.7-1",
        "1.4.0-1",
        "1.4.1-1",
        "1.4.18-1",
        "1.4.20-1",
        "1.4.21-1",
        "1.4.21-2",
        "1.4.3-1",
        "1.4.4-1",
        "1.4.6-1",
        "1.4.7-1",
        "1.4.8-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-1048",
      "fixed_version": "1.4.22-1",
      "provider_source": "pypi",
      "provider_record_id": "DEBIAN-CVE-2018-1048",
      "provider_updated_at": "2026-10-23T18:02:56.686467725Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]