What is CVE-2026-7713?

CVE-2026-7713 is a medium-severity vulnerability in Crocodilestick Calibre-Web-Automated, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-04.

How severe is CVE-2026-7713?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Crocodilestick Calibre-Web-Automated

CVE-2026-7713

A vulnerability was detected in crocodilestick Calibre-Web-Automated up to 4.0.6. Affected by this vulnerability is the function generate_auth_token of the file cps/kobo_auth.py of the component Kobo auth-token Route. The manipulation results in improper authorization. The attack may be performed from remote. The exploit is now public and may be used. Upgrading to version 4.0.7 addresses this issue. The patch is identified as 9f50bb2c16160564c9f8777dc2ceed3eb95e4807. The affected component should be upgraded.

Published 2026-05-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (37.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Crocodilestick Calibre-Web-Automated — versions 4.0.0, 4.0.1, 4.0.2

Weakness classification (CWE)

References

vuldb.com/vuln/360889 (technical-description, vdb-entry)
vuldb.com/vuln/360889/cti (signature, permissions-required)
vuldb.com/submit/806403 (third-party-advisory)
github.com/crocodilestick/Calibre-Web-Automated/issues/1303 (issue-tracking)
github.com/new-usemame/Calibre-Web-NextGen/pull/18 (issue-tracking, patch)
gist.github.com/menelausx/ef98aa78ed2869ccaa316ff45ed1a440 (exploit)
github.com/new-usemame/Calibre-Web-NextGen/commit/9f50bb2c16160564c9f8777dc2cee… (patch)
github.com/new-usemame/Calibre-Web-NextGen/releases/tag/v4.0.7 (patch)
github.com/crocodilestick/Calibre-Web-Automated/ (product)

Frequently asked questions

What is CVE-2026-7713?: CVE-2026-7713 is a medium-severity vulnerability in Crocodilestick Calibre-Web-Automated, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-05-04.
How severe is CVE-2026-7713?: Medium severity. CVSS v3 base score is 6.3 out of 10.