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Description

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 Reserved 2026-05-03 | Published 2026-05-04 | Updated 2026-05-05 | Assigner VulDB




MEDIUM: 5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improper Authorization

Incorrect Privilege Assignment

Product status

4.0.0
affected

4.0.1
affected

4.0.2
affected

4.0.3
affected

4.0.4
affected

4.0.5
affected

4.0.6
affected

4.0.7
unaffected

Timeline

2026-05-03:Advisory disclosed
2026-05-03:VulDB entry created
2026-05-03:VulDB entry last update

Credits

JasperX (VulDB User) reporter

References

vuldb.com/vuln/360889 (VDB-360889 | crocodilestick Calibre-Web-Automated Kobo auth-token Route kobo_auth.py generate_auth_token improper authorization) vdb-entry technical-description

vuldb.com/vuln/360889/cti (VDB-360889 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/submit/806403 (Submit #806403 | crocodilestick Calibre-Web-Automated v1.0.0-v4.0.6 IDOR in auth-token generation leading to account takeover) 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/...ommit/9f50bb2c16160564c9f8777dc2ceed3eb95e4807 patch

github.com/...semame/Calibre-Web-NextGen/releases/tag/v4.0.7 patch

github.com/crocodilestick/Calibre-Web-Automated/ product

cve.org (CVE-2026-7713)

nvd.nist.gov (CVE-2026-7713)

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