PoC Index85,100 CVEs with PoCs

CVE-2026-7709

janeczku Calibre-Web Endpoint kobo_auth.py generate_auth_token improper authorization

LOW 2.1EPSS 0.4%

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.

Affected
janeczku · Calibre-Web
CVSS v4.0 VULDB
2.1 LOWCVSS: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
CVSS v3.1 VULDB
6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v2.0 VULDB
6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P
EPSS
0.38% chance of exploitation in the next 30 days, 30th percentile
Published
2026-05-03
Updated
2026-05-04

Proof-of-concept exploits (1)

References