CVE-2026-100501: Flame brute-force attack on authentication endpoint through 2.4.0

CVE-2026-100501 · Severity: medium · CVSS 6.5 · Published 2026-09-25

Flame, a self-hosted web application for managing apps and bookmarks, allows attackers to guess the administrator password by submitting unlimited login attempts without rate limiting or lockouts. An attacker on the network can repeatedly try common passwords to gain full admin access and reconfigure the entire application, including modifying settings or injecting malicious content.

Technologies: Pawelmalak Flame. Vendors: Pawelmalak.

Quick answers

Is CVE-2026-100501 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-100501 being exploited in the wild.
How severe is CVE-2026-100501?
Medium severity, with a CVSS score of 6.5, published 25 September 2026.
Which products and versions are affected?
Pawelmalak Flame through 2.4.0.
Is there a fix for CVE-2026-100501?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-100501 attacked?
It is attacked over the network.
Am I affected by CVE-2026-100501?
Check whether you run Pawelmalak Flame at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability is improper restriction of excessive authentication attempts in the POST /api/auth login endpoint. The endpoint lacks rate limiting, attempt counters, account lockout mechanisms, or delays between failed attempts, allowing unauthenticated network attackers to conduct brute-force attacks against the admin account. Successful exploitation grants full administrator privileges and modification rights to application configuration.

Affected products

  • pawelmalak Flame through 2.4.0

Timeline

  • 2026-09-25: disclosed

References

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