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
2026-09-18T11:46:57Z
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

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

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

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

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

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

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

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

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"