CVE-2026-75773
karakeep-app karakeep Login Endpoint auth.ts authorize excessive authentication
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.
INFO
Published Date :
Aug. 18, 2026, 11:16 a.m.
Last Modified :
Aug. 20, 2026, 12:48 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 2.0 | LOW | [email protected] | ||||
| CVSS 3.1 | LOW | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Upgrade karakeep-app to version 0.33.0 or later.
- Apply the patch f7d042971d0d2bcc7119654830cf1eb93eabbf24.
- Review the authorize function in auth.ts.
- Implement stricter authentication attempt limits.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-75773.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-75773 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-2026-75773
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-2026-75773 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-75773 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.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 19, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-75773', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-08-19T13:39:58.695815Z'} -
New CVE Received by [email protected]
Aug. 18, 2026
Action Type Old Value New Value Added Affected [{'cpes': ['cpe:2.3:a:karakeep-app:karakeep:*:*:*:*:*:*:*:*'], 'vendor': 'karakeep-app', 'modules': ['Login Endpoint'], 'product': 'karakeep', 'versions': [{'status': 'affected', 'version': '0.1'}, {'status': 'affected', 'version': '0.2'}, {'status': 'affected', 'version': '0.3'}, {'status': 'affected', 'version': '0.4'}, {'status': 'affected', 'version': '0.5'}, {'status': 'affected', 'version': '0.6'}, {'status': 'affected', 'version': '0.7'}, {'status': 'affected', 'version': '0.8'}, {'status': 'affected', 'version': '0.9'}, {'status': 'affected', 'version': '0.10'}, {'status': 'affected', 'version': '0.11'}, {'status': 'affected', 'version': '0.12'}, {'status': 'affected', 'version': '0.13'}, {'status': 'affected', 'version': '0.14'}, {'status': 'affected', 'version': '0.15'}, {'status': 'affected', 'version': '0.16'}, {'status': 'affected', 'version': '0.17'}, {'status': 'affected', 'version': '0.18'}, {'status': 'affected', 'version': '0.19'}, {'status': 'affected', 'version': '0.20'}, {'status': 'affected', 'version': '0.21'}, {'status': 'affected', 'version': '0.22'}, {'status': 'affected', 'version': '0.23'}, {'status': 'affected', 'version': '0.24'}, {'status': 'affected', 'version': '0.25'}, {'status': 'affected', 'version': '0.26'}, {'status': 'affected', 'version': '0.27'}, {'status': 'affected', 'version': '0.28'}, {'status': 'affected', 'version': '0.29'}, {'status': 'affected', 'version': '0.30'}, {'status': 'affected', 'version': '0.31'}, {'status': 'affected', 'version': '0.32.0'}, {'status': 'unaffected', 'version': '0.33.0'}]}] Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/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:H/PR:N/UI:N/S:U/C:L/I:N/A:N Added CVSS V2 (AV:N/AC:H/Au:N/C:P/I:N/A:N) Added CWE CWE-307 Added CWE CWE-799 Added Reference https://github.com/karakeep-app/karakeep/ Added Reference https://github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb93eabbf24 Added Reference https://github.com/karakeep-app/karakeep/issues/2919 Added Reference https://github.com/karakeep-app/karakeep/releases/tag/mcp/v0.33.0 Added Reference https://vuldb.com/cve/CVE-2026-75773 Added Reference https://vuldb.com/submit/877731 Added Reference https://vuldb.com/vuln/391519 Added Reference https://vuldb.com/vuln/391519/cti