Vulnerability-Lookup

CVE-2026-19429 (GCVE-0-2026-19429)

Vulnerability from cvelistv5 – Published: 2026-08-10 12:07 – Updated: 2026-08-13 11:43

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Show details on NVD website

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      "source": "Red Hat CSAF VEX",
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      "title": "jenkins: Jenkins: Arbitrary file read via symlink target validation bypass",
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FKIE_CVE-2026-19429

Vulnerability from fkie_nvd - Published: 2026-08-10 13:17 - Updated: 2026-08-13 12:17

Severity

Summary

Rejected reason: This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

References

	URL	Tags

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
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    }
  ],
  "id": "CVE-2026-19429",
  "lastModified": "2026-08-13T12:17:23.280",
  "metrics": {},
  "published": "2026-08-10T13:17:58.940",
  "references": [],
  "sourceIdentifier": "309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c",
  "vulnStatus": "Rejected"
}

GHSA-83X3-QGQ9-RFCQ

Vulnerability from github – Published: 2026-08-10 15:33 – Updated: 2026-08-11 09:32

Details

Jenkins FilePath.untarFrom() (all versions) validates symlink destinations but not targets, bypassing CVE-2026-33001. Any user with Item/Build access triggers tar extraction via POST /job/{name}/build, writing persistent symlinks into the tool cache. Symlinks to secrets/master.key, hudson.util.Secret, credentials.xml, and users/*/config.xml read via GET /job/{name}/lastBuild/consoleText enable offline AES decryption of all credentials and admin API tokens without bcrypt cracking, achieving RCE.

Severity

8.8 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

9.4 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-19429"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-59"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-10T13:17:58Z",
    "severity": "CRITICAL"
  },
  "details": "Jenkins FilePath.untarFrom() (all versions) validates symlink destinations but not targets, bypassing CVE-2026-33001. Any user with Item/Build access triggers tar extraction via POST /job/{name}/build, writing persistent symlinks into the tool cache. Symlinks to secrets/master.key, hudson.util.Secret, credentials.xml, and users/*/config.xml read via GET /job/{name}/lastBuild/consoleText enable offline AES decryption of all credentials and admin API tokens without bcrypt cracking, achieving RCE.",
  "id": "GHSA-83x3-qgq9-rfcq",
  "modified": "2026-08-11T09:32:33Z",
  "published": "2026-08-10T15:33:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-19429"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jenkinsci/jenkins"
    },
    {
      "type": "WEB",
      "url": "https://www.jenkins.io/security/advisories/2026-03-19"
    },
    {
      "type": "WEB",
      "url": "https://www.jenkins.io/security/advisory/2026-03-18/#SECURITY-3657"
    },
    {
      "type": "WEB",
      "url": "https://www.jenkins.io/security/advisory/2026-08-05"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-19429 (GCVE-0-2026-19429)

FKIE_CVE-2026-19429

GHSA-83X3-QGQ9-RFCQ

Tags

Sightings

Nomenclature