CLEANSTART-2026-IC49054

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-IC49054.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-IC49054
Upstream
  • CVE-2026-56858
Published
2026-10-06T00:36:12Z
Modified
2026-10-06T01:00:04Z
Severity
  • 6.1 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
Summary
Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS
Details

Security vulnerability affects the temporal-server package. Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

References

Affected packages

CleanStart / temporal-server

Package

Name
temporal-server

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-IC49054.json"