CVE-2026-75773: Software Security Vulnerability Vulnerability

LOW
Advisory Identifier: GHSA-2ccr-52p8-6754
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CVSS 3.7
CWE-307
Published
Advisory Summary

CVE-2026-75773 is a LOW (CVSS 3.7) security vulnerability vulnerability (CWE-307: Improper Restriction of Excessive Authentication Attempts) affecting Software libraries in the Maven ecosystem. The weakness occurs when the product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.. Remediation is available in the latest vendor maintenance releases.

CVE-2026-75773 at a Glance

CVE Identifier CVE-2026-75773
GHSA Identifier GHSA-2ccr-52p8-6754
Severity LOW
CVSS v3.1 Base Score 3.7
CWE Classification CWE-307: Improper Restriction of Excessive Authentication Attempts
Affected Product Software
Package Ecosystem Maven
Published Date
Last Updated

Security Impact

CVSS: 3.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2026-75773

To remediate this vulnerability, upgrade all affected Software dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

mvn dependency:tree

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2026-75773, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree

Analyze the terminal output to locate any version of Software in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: The mvn dependency:tree command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-307: Improper Restriction of Excessive Authentication Attempts, where the product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame. In Software, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

References

NVD — CVE-2026-75773 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75773
Software Source Repository REPOSITORY
https://github.com/karakeep-app/karakeep/issues/2919
Security Fix Commit FIX COMMIT
https://github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb93eabbf24
Software Source Repository REPOSITORY
https://github.com/karakeep-app/karakeep
Software Release RELEASE
https://github.com/karakeep-app/karakeep/releases/tag/mcp/v0.33.0
vuldb.com/cve/cve-2026-75773 WEB
https://vuldb.com/cve/CVE-2026-75773
vuldb.com/submit/877731 WEB
https://vuldb.com/submit/877731
vuldb.com/vuln/391519 WEB
https://vuldb.com/vuln/391519
vuldb.com/vuln/391519/cti WEB
https://vuldb.com/vuln/391519/cti

Frequently Asked Questions

What is CVE-2026-75773?
CVE-2026-75773 is a security vulnerability in Software classified as a security vulnerability vulnerability under CWE-307: Improper Restriction of Excessive Authentication Attempts.
Which Software versions are affected?
Affected versions include releases prior to current release patches.
What version fixes CVE-2026-75773?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
What is the CVSS score of CVE-2026-75773?
CVE-2026-75773 has a CVSS v3.1 base score of 3.7 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2026-75773?
CVE-2026-75773 is classified under CWE-307: Improper Restriction of Excessive Authentication Attempts (The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame.).
How can I check Maven dependencies for CVE-2026-75773?
Run the dependency tree command: 'mvn dependency:tree'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
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  "schema_version" : "1.4.0",
  "id" : "GHSA-2ccr-52p8-6754",
  "modified" : "2026-08-18T12:31:21Z",
  "published" : "2026-08-18T12:31:21Z",
  "aliases" : [ "CVE-2026-75773" ],
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "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/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"
  } ],
  "affected" : [ ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-75773"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/karakeep-app/karakeep/issues/2919"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb93eabbf24"
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    "type" : "WEB",
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  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/cve/CVE-2026-75773"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/submit/877731"
  }, {
    "type" : "WEB",
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  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/vuln/391519/cti"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-307" ],
    "severity" : "LOW",
    "github_reviewed" : false,
    "github_reviewed_at" : null,
    "nvd_published_at" : "2026-08-18T11:16:52Z"
  }
}