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CVE-2026-7709
janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization
Medium5.3EPSS 0.22%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
Description
A vulnerability was identified in janeczku Calibre-Web up to 0.6.26. The impacted element is the function generate_auth_token of the file cps/kobo_auth.py of the component Endpoint. Such manipulation of the argument user_id leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
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:X/RC:R |
| 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:X/RC:R |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR |
| 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)
- 0.22% · top 88% of all CVEs (5 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected 0.6.0
- affected 0.6.1
- affected 0.6.2
- affected 0.6.3
- affected 0.6.4
- affected 0.6.5
- affected 0.6.6
- affected 0.6.7
- affected 0.6.8
- affected 0.6.9
- affected 0.6.10
- affected 0.6.11
- affected 0.6.12
- affected 0.6.13
- affected 0.6.14
- affected 0.6.15
- affected 0.6.16
- affected 0.6.17
- affected 0.6.18
- affected 0.6.19
- affected 0.6.20
- affected 0.6.21
- affected 0.6.22
- affected 0.6.23
- affected 0.6.24
- affected 0.6.25
- affected 0.6.26
References (4)
- VDB-360885 | janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-360885 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- Submit #805823 | Janeczku Calibre-web V0.6.7-V0.6.26 IDOR in auth-token generation leading to account takeover / user (opens in a new tab)third-party-advisory
- https://drive.google.com/drive/folders/1rosrcfxcHrQM7_GOiBwzY_GnCfXoFuVR?usp=drive_link (opens in a new tab)exploit
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)
- 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://trackcve.app/cve/CVE-2026-7709)Record last updated .