Flame through 2.4.0 contains an improper restriction of excessive authentication attempts vulnerability in the POST /api/auth login endpoint that allows unauthenticated attackers to brute-force the admin password. Attackers can submit unlimited password guesses without rate limiting, attempt counters, lockouts, or delays to gain full administrator access and modify application configuration.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
pawelmalak flame unaffected
Version Status Constraints
0 affected ≤ 2.4.0

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/pawelmalak/flame cve-icon cve-icon
https://github.com/pawelmalak/flame/blob/v2.4.0/.docker/Dockerfile#L28 cve-icon cve-icon
https://github.com/pawelmalak/flame/blob/v2.4.0/controllers/auth/login.js#L11-L22 cve-icon cve-icon
https://github.com/pawelmalak/flame/blob/v2.4.0/routes/auth.js#L7 cve-icon cve-icon
https://github.com/pawelmalak/flame/issues/494 cve-icon cve-icon
https://www.vulncheck.com/advisories/flame-through-2.4.0-brute-force-attack-via-login-endpoint cve-icon cve-icon
History

Fri, 25 Sep 2026 22:15:00 +0000

Type Values Removed Values Added
Description Flame through 2.4.0 contains an improper restriction of excessive authentication attempts vulnerability in the POST /api/auth login endpoint that allows unauthenticated attackers to brute-force the admin password. Attackers can submit unlimited password guesses without rate limiting, attempt counters, lockouts, or delays to gain full administrator access and modify application configuration.
Title Flame through 2.4.0 Brute-Force Attack via Login Endpoint
Weaknesses CWE-307
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-25T22:04:01.425Z

Reserved: 2026-09-25T21:39:02.327Z

Link: CVE-2026-100501

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-25T22:17:10.793

Modified: 2026-09-25T22:17:10.793

Link: CVE-2026-100501

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-26T00:00:07Z

Weaknesses