CLEANSTART-2026-PL58234

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PL58234.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-PL58234
Upstream
Published
2026-09-29T00:37:01Z
Modified
2026-09-29T01:00:18Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label
Details

CVE-2026-39821 affects multiple packages. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.

References

Affected packages

CleanStart / kube-state-metrics-fips

Package

Name
kube-state-metrics-fips

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PL58234.json"

CleanStart / kube-state-metrics-fips

Package

Name
kube-state-metrics-fips

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PL58234.json"

CleanStart / kubernetes

Package

Name
kubernetes

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PL58234.json"

CleanStart / argo-workflows

Package

Name
argo-workflows

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-PL58234.json"