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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-75773
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-18 11:16:52 UTC
Updated2026-08-20 12:48:31 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 2.9 LOW from [email protected]

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

EPSS: 0.005240000 probability, percentile 0.423240000 (date 2026-08-20)

Problem Types: CWE-307 | CWE-799 | CWE-307 Improper Restriction of Excessive Authentication Attempts | CWE-799 Improper Control of Interaction Frequency

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.9LOWCVSS: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/C...
4.0CNADECLARED6.3MEDIUMCVSS: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
3.1[email protected]Secondary3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
3.1CNADECLARED3.7LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
3.0CNADECLARED3.7LOWCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
2.0[email protected]Secondary2.6AV:N/AC:H/Au:N/C:P/I:N/A:N
2.0CNADECLARED2.6AV:N/AC:H/Au:N/C:P/I:N/A:N/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Attack Requirements
None
Privileges Required
None
User Interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

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

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Karakeep-app Karakeep affected 0.1 Not specified
CNA Karakeep-app Karakeep affected 0.2 Not specified
CNA Karakeep-app Karakeep affected 0.3 Not specified
CNA Karakeep-app Karakeep affected 0.4 Not specified
CNA Karakeep-app Karakeep affected 0.5 Not specified
CNA Karakeep-app Karakeep affected 0.6 Not specified
CNA Karakeep-app Karakeep affected 0.7 Not specified
CNA Karakeep-app Karakeep affected 0.8 Not specified
CNA Karakeep-app Karakeep affected 0.9 Not specified
CNA Karakeep-app Karakeep affected 0.10 Not specified
CNA Karakeep-app Karakeep affected 0.11 Not specified
CNA Karakeep-app Karakeep affected 0.12 Not specified
CNA Karakeep-app Karakeep affected 0.13 Not specified
CNA Karakeep-app Karakeep affected 0.14 Not specified
CNA Karakeep-app Karakeep affected 0.15 Not specified
CNA Karakeep-app Karakeep affected 0.16 Not specified
CNA Karakeep-app Karakeep affected 0.17 Not specified
CNA Karakeep-app Karakeep affected 0.18 Not specified
CNA Karakeep-app Karakeep affected 0.19 Not specified
CNA Karakeep-app Karakeep affected 0.20 Not specified
CNA Karakeep-app Karakeep affected 0.21 Not specified
CNA Karakeep-app Karakeep affected 0.22 Not specified
CNA Karakeep-app Karakeep affected 0.23 Not specified
CNA Karakeep-app Karakeep affected 0.24 Not specified
CNA Karakeep-app Karakeep affected 0.25 Not specified
CNA Karakeep-app Karakeep affected 0.26 Not specified
CNA Karakeep-app Karakeep affected 0.27 Not specified
CNA Karakeep-app Karakeep affected 0.28 Not specified
CNA Karakeep-app Karakeep affected 0.29 Not specified
CNA Karakeep-app Karakeep affected 0.30 Not specified
CNA Karakeep-app Karakeep affected 0.31 Not specified
CNA Karakeep-app Karakeep affected 0.32.0 Not specified
CNA Karakeep-app Karakeep unaffected 0.33.0 Not specified

References

ReferenceSourceLinkTags
github.com/karakeep-app/karakeep [email protected] github.com
github.com/karakeep-app/karakeep/releases/tag/mcp/v0.33.0 [email protected] github.com
github.com/karakeep-app/karakeep/commit/f7d042971d0d2bcc7119654830cf1eb9... [email protected] github.com
vuldb.com/vuln/391519/cti [email protected] vuldb.com
github.com/karakeep-app/karakeep/issues/2919 [email protected] github.com
vuldb.com/vuln/391519 [email protected] vuldb.com
vuldb.com/submit/877731 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-75773 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ZAST.AI (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-08-18T00:00:00.000ZAdvisory disclosed
CNA2026-08-18T02:00:00.000ZVulDB entry created
CNA2026-08-18T06:35:40.000ZVulDB entry last update

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