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TI-2026-53042 Aliases CVE-2026-75773GHSA-2ccr-52p8-6754

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

Priority MEDIUM 61CWE-307Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-307.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00653 51st percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed karakeep (karakeep-app): 0.33.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
karakeep-appkarakeep0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22; 0.23; 0.24; 0.25; 0.26; 0.27; 0.28; 0.29; 0.30; 0.31; 0.32.00.33.0Patch availableCNA
  • karakeep Vendorkarakeep-app Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18; 0.19; 0.20; 0.21; 0.22; 0.23; 0.24; 0.25; 0.26; 0.27; 0.28; 0.29; 0.30; 0.31; 0.32.0 Fixed in 0.33.0 Patch available CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:karakeep-app:karakeep:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:karakeep-app:karakeep:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

  • Fix · CNA karakeep (karakeep-app) Fixed in 0.33.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75773
  2. 2026-10-03 Alias added: GHSA-2ccr-52p8-6754
  3. 2026-10-14 EPSS moved to the 50th–90th percentile

References

  • TI-2026-32929 Karakeep has a SSRF Protection Bypass via Redirect Handling CVSS 3.1HIGH 7.6
  • TI-2026-53043 karakeep-app karakeep OAuth Sign-In auth.ts improper authentication CVSS 4.0MEDIUM 6.3

Sources