Auth bypass in Calibre

CVE-2024-6782

Improper access control in Calibre 6.9.0 ~ 7.14.0 allow unauthenticated attackers to achieve remote code execution.

Vulnerability class: Broken Access Control

EPSS: 0.938 (99.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Calibre — versions 6.9.0

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

Public proof-of-concept exploits

References

starlabs.sg/advisories/24/24-6782/ (third-party-advisory)
github.com/kovidgoyal/calibre/commit/38a1bf50d8cd22052ae59c513816706c6445d5e9 (patch)

Frequently asked questions

What is CVE-2024-6782?: CVE-2024-6782 is a critical-severity vulnerability in Calibre, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2024-08-06.
How severe is CVE-2024-6782?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-6782 known to be exploited?: 34 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.