CVE-2026-7713crocodilestick Calibre-Web-Automated Kobo auth-token Route kobo_auth.py generate_auth_token improper authorization
- 5.3MediumCVSS base score
- 0.27%Exploitation in 30 daysEPSS · top 80% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits1
References tagged exploit1 reference
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 1 day later
· 1 day later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | CVSS: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 |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Low2.1 | CVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.27% · top 80% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Affected products
crocodilestick · Calibre-Web-Automated
- affected 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
- unaffected 4.0.7
References
References9
- VDB-360889 | crocodilestick Calibre-Web-Automated Kobo auth-token Route kobo_auth.py generate_auth_token improper authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-360889 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #806403 | crocodilestick Calibre-Web-Automated v1.0.0-v4.0.6 IDOR in auth-token generation leading to account takeover (opens in a new tab)third-party-advisory
- https://github.com/crocodilestick/Calibre-Web-Automated/issues/1303 (opens in a new tab)issue-tracking
- https://github.com/new-usemame/Calibre-Web-NextGen/pull/18 (opens in a new tab)issue-trackingpatch
- https://gist.github.com/menelausx/ef98aa78ed2869ccaa316ff45ed1a440 (opens in a new tab)exploit
- https://github.com/new-usemame/Calibre-Web-NextGen/commit/9f50bb2c16160564c9f8777dc2ceed3eb95e4807 (opens in a new tab)patch
- https://github.com/new-usemame/Calibre-Web-NextGen/releases/tag/v4.0.7 (opens in a new tab)patch
- https://github.com/crocodilestick/Calibre-Web-Automated/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-26854 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-7713)Record last updated .