Vulnerability-Lookup

CVE-2026-82449 (GCVE-0-2026-82449)

Vulnerability from cvelistv5 – Published: 2026-08-29 12:05 – Updated: 2026-08-31 18:53

Title

Cockpit CMS before 2.14.1 Account Enumeration via Auth Timing

Summary

Cockpit CMS before 2.14.1 contains an account enumeration vulnerability in the auth check endpoint due to timing discrepancies in password verification. Attackers can measure response times across multiple requests to determine which accounts exist by observing that existing accounts trigger bcrypt verification while non-existent accounts return immediately.

Severity

6.9 (Medium)


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

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-31 16:34 UTC

CWE

CWE-208 - Observable Timing Discrepancy

Assigner

VulnCheck mitre root

References

5 references

URL	Tags
https://github.com/Cockpit-HQ/Cockpit/commit/5d65…	patch
https://github.com/Cockpit-HQ/Cockpit	product
https://github.com/Cockpit-HQ/Cockpit/blob/2.14.0…	technical-description
https://link.mateocallec.com/MFC-2026-001	third-party-advisory
https://www.vulncheck.com/advisories/cockpit-cms-…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
cockpit-hq	cockpit	Affected: 0 , < 2.14.1 (semver) Unaffected: 2.14.1 (semver)	guessed

Date Public

2026-06-27 00:00

Credits

Matéo Florian Callec

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-82449

Vulnerability from fkie_nvd - Published: 2026-08-29 13:16 - Updated: 2026-08-31 20:56

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/Cockpit-HQ/Cockpit
	disclosure@vulncheck.com	https://github.com/Cockpit-HQ/Cockpit/blob/2.14.0/modules/App/Controller/Auth.php
	disclosure@vulncheck.com	https://github.com/Cockpit-HQ/Cockpit/commit/5d65ae7b63a261a63e8809e5fba857ef3eadb2ac
	disclosure@vulncheck.com	https://link.mateocallec.com/MFC-2026-001
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/cockpit-cms-before-2.14.1-account-enumeration-via-auth-timing

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-X5J5-9MRV-74FR

Vulnerability from github – Published: 2026-08-29 15:30 – Updated: 2026-08-29 15:30

Details

Severity

5.3 (Medium)


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

6.9 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-82449"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-208"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-29T13:16:39Z",
    "severity": "MODERATE"
  },
  "details": "Cockpit CMS before 2.14.1 contains an account enumeration vulnerability in the auth check endpoint due to timing discrepancies in password verification. Attackers can measure response times across multiple requests to determine which accounts exist by observing that existing accounts trigger bcrypt verification while non-existent accounts return immediately.",
  "id": "GHSA-x5j5-9mrv-74fr",
  "modified": "2026-08-29T15:30:19Z",
  "published": "2026-08-29T15:30:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-82449"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Cockpit-HQ/Cockpit/commit/5d65ae7b63a261a63e8809e5fba857ef3eadb2ac"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Cockpit-HQ/Cockpit"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Cockpit-HQ/Cockpit/blob/2.14.0/modules/App/Controller/Auth.php"
    },
    {
      "type": "WEB",
      "url": "https://link.mateocallec.com/MFC-2026-001"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/cockpit-cms-before-2.14.1-account-enumeration-via-auth-timing"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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-2026-82449 (GCVE-0-2026-82449)

FKIE_CVE-2026-82449

GHSA-X5J5-9MRV-74FR

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Sightings

Nomenclature