CLEANSTART-2026-JT87240

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-JT87240
Upstream
Published
2026-09-18T10:26:10Z
Modified
2026-10-09T07:47:14Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Security fix for CVE-2026-23991 applied in: cosign 2.4.3-r0, cosign 2.5.3-r0, kubescape 3.0.47-r0, kyverno-fips 1.16.3-r3, policy-controller 0.12.1-r1, sigstore-scaffolding 0.7.31-r2, tkn 0.43.2-r1, tkn-fips 0.43.0-r3
Details

CVE-2026-23991 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.

References

Affected packages

CleanStart
cosign

Package

Name
cosign
Purl
pkg:apk/cleanstart/cosign

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.4.3-r0

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
cosign

Package

Name
cosign
Purl
pkg:apk/cleanstart/cosign

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.5.3-r0

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
kubescape

Package

Name
kubescape
Purl
pkg:apk/cleanstart/kubescape

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
3.0.47-r0

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
kyverno-fips

Package

Name
kyverno-fips
Purl
pkg:apk/cleanstart/kyverno-fips

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
1.16.3-r3

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
policy-controller

Package

Name
policy-controller
Purl
pkg:apk/cleanstart/policy-controller

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.12.1-r1

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
sigstore-scaffolding

Package

Name
sigstore-scaffolding
Purl
pkg:apk/cleanstart/sigstore-scaffolding

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.7.31-r2

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
tkn

Package

Name
tkn
Purl
pkg:apk/cleanstart/tkn

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.43.2-r1

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"
tkn-fips

Package

Name
tkn-fips
Purl
pkg:apk/cleanstart/tkn-fips

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.43.0-r3

Database specific

source 
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-JT87240.json"