6.5
MEDIUM CVSS 2.0
CVE-2026-7713
crocodilestick Calibre-Web-Automated Kobo auth-token Route kobo_auth.py generate_auth_token improper authorization
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.

INFO

Published Date :

May 4, 2026, 12:16 a.m.

Last Modified :

May 4, 2026, 12:16 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-7713 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 LOW [email protected]
Solution
Upgrade to version 4.0.7 to address improper authorization in Kobo auth-token route.
  • Upgrade to version 4.0.7.
  • Apply the patch identified as 9f50bb2c16160564c9f8777dc2ceed3eb95e4807.
  • Upgrade the affected component.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-7713 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-7713 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-7713 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-7713 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    May. 04, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P)
    Added CWE CWE-285
    Added CWE CWE-266
    Added Reference https://gist.github.com/menelausx/ef98aa78ed2869ccaa316ff45ed1a440
    Added Reference https://github.com/crocodilestick/Calibre-Web-Automated/
    Added Reference https://github.com/crocodilestick/Calibre-Web-Automated/issues/1303
    Added Reference https://github.com/new-usemame/Calibre-Web-NextGen/commit/9f50bb2c16160564c9f8777dc2ceed3eb95e4807
    Added Reference https://github.com/new-usemame/Calibre-Web-NextGen/pull/18
    Added Reference https://github.com/new-usemame/Calibre-Web-NextGen/releases/tag/v4.0.7
    Added Reference https://vuldb.com/submit/806403
    Added Reference https://vuldb.com/vuln/360889
    Added Reference https://vuldb.com/vuln/360889/cti
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.