What is CVE-2026-39803?

CVE-2026-39803 is a high-severity vulnerability in Mtrudel Bandit, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-13.

How severe is CVE-2026-39803?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Mtrudel Bandit

CVE-2026-39803

Allocation of Resources Without Limits or Throttling vulnerability in mtrudel bandit allows unauthenticated remote denial of service via memory exhaustion. The chunked clause of 'Elixir.Bandit.HTTP1.Socket':read_data/2 in lib/bandit/http1…

EPSS: 0.014 (80.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mtrudel Bandit — versions 1.4.0, 903e209a521bc216b9f9065c01ae9a0cac2d5a10

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Exploit, vendor-advisory, Vendor Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (related, Third Party Advisory)
6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Patch, patch)

Frequently asked questions

What is CVE-2026-39803?: CVE-2026-39803 is a high-severity vulnerability in Mtrudel Bandit, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-05-13.
How severe is CVE-2026-39803?: High severity. CVSS v3 base score is 7.5 out of 10.