CVE-2026-75773

karakeep-app karakeep Login Endpoint auth.ts authorize excessive authentication

State: Published
Severity: 6.3 Medium
Published: Aug 18, 2026
Updated: Aug 19, 2026
Reserved: Aug 18, 2026

Description

A vulnerability was found in karakeep-app karakeep up to 0.32.0. The affected element is the function authorize of the file apps/web/server/auth.ts of the component Login Endpoint. The manipulation results in improper restriction of excessive authentication attempts. The attack may be performed from remote. This attack is characterized by high complexity. The exploitability is described as difficult. The exploit has been made public and could be used. Upgrading to version 0.33.0 is sufficient to fix this issue. The patch is identified as f7d042971d0d2bcc7119654830cf1eb93eabbf24. It is advisable to upgrade the affected component.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.7 Low	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
3.0	3.7 Low	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C	VulDB
2.0	2.6 Low	AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-307 Improper Restriction of Excessive Authentication Attempts
CWE-799 Improper Control of Interaction Frequency

Affected Products

Product	Versions
karakeepkarakeep-app	0.1Affected 0.2Affected 0.3Affected 0.4Affected 0.5Affected 0.6Affected 0.7Affected 0.8Affected 0.9Affected 0.10Affected 0.11Affected 0.12Affected 0.13Affected 0.14Affected 0.15Affected 0.16Affected 0.17Affected 0.18Affected 0.19Affected 0.20Affected 0.21Affected 0.22Affected 0.23Affected 0.24Affected 0.25Affected and 8 more versions

References

VDB-391519 | karakeep-app karakeep Login Endpoint auth.ts authorize excessive authenticationvdb-entrytechnical-description
VDB-391519 | CTI Indicators (IOB, IOC, TTP, IOA)signaturepermissions-required
CVE-2026-75773 | CVE Analysis and Reportthird-party-advisory
Submit #877731 | karakeep-app karakeep >= 0.3.0, <= 0.32.0 Improper Restriction of Excessive Authentication Attemptsthird-party-advisory
https://github.com/karakeep-app/karakeep/issues/2919exploitissue-tracking
https://github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb93eabbf24patch
https://github.com/karakeep-app/karakeep/releases/tag/mcp/v0.33.0patch
https://github.com/karakeep-app/karakeep/product

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