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Vulnerability Details :

CVE-2026-44379

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-13 May, 2026 | 20:53
Updated At-14 May, 2026 | 12:57
Rejected At-
Credits

MISP: Improper UUID validation in MISP Collections

MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, MISP Collections did not enforce RFC 4122 UUID validation on the uuid field. As a result, a user able to create or modify Collection records could submit malformed UUID values, potentially causing integrity issues or unexpected behaviour in code paths that assume Collection UUIDs are valid identifiers. This vulnerability is fixed in 2.5.37.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:13 May, 2026 | 20:53
Updated At:14 May, 2026 | 12:57
Rejected At:
▼CVE Numbering Authority (CNA)
MISP: Improper UUID validation in MISP Collections

MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, MISP Collections did not enforce RFC 4122 UUID validation on the uuid field. As a result, a user able to create or modify Collection records could submit malformed UUID values, potentially causing integrity issues or unexpected behaviour in code paths that assume Collection UUIDs are valid identifiers. This vulnerability is fixed in 2.5.37.

Affected Products
Vendor
MISP
Product
MISP
Versions
Affected
  • < 2.5.37
Problem Types
TypeCWE IDDescription
CWECWE-20CWE-20: Improper Input Validation
Type: CWE
CWE ID: CWE-20
Description: CWE-20: Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/MISP/MISP/security/advisories/GHSA-jrvj-84mg-8f29
x_refsource_CONFIRM
https://github.com/MISP/MISP/commit/f8b20358c3cd8fd3d784452901876f2db0acbf05
x_refsource_MISC
Hyperlink: https://github.com/MISP/MISP/security/advisories/GHSA-jrvj-84mg-8f29
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/MISP/MISP/commit/f8b20358c3cd8fd3d784452901876f2db0acbf05
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:13 May, 2026 | 21:16
Updated At:15 May, 2026 | 17:57

MISP is an open source threat intelligence and sharing platform. Prior to 2.5.37, MISP Collections did not enforce RFC 4122 UUID validation on the uuid field. As a result, a user able to create or modify Collection records could submit malformed UUID values, potentially causing integrity issues or unexpected behaviour in code paths that assume Collection UUIDs are valid identifiers. This vulnerability is fixed in 2.5.37.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
Primary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/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
Type: Primary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CPE Matches

misp
misp
>>misp>>Versions before 2.5.37(exclusive)
cpe:2.3:a:misp:misp:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-20Primarysecurity-advisories@github.com
NVD-CWE-noinfoPrimarynvd@nist.gov
CWE ID: CWE-20
Type: Primary
Source: security-advisories@github.com
CWE ID: NVD-CWE-noinfo
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/MISP/MISP/commit/f8b20358c3cd8fd3d784452901876f2db0acbf05security-advisories@github.com
Patch
https://github.com/MISP/MISP/security/advisories/GHSA-jrvj-84mg-8f29security-advisories@github.com
Third Party Advisory
Hyperlink: https://github.com/MISP/MISP/commit/f8b20358c3cd8fd3d784452901876f2db0acbf05
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/MISP/MISP/security/advisories/GHSA-jrvj-84mg-8f29
Source: security-advisories@github.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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