CLEANSTART-2026-AZ00076

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AZ00076.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-AZ00076
Upstream
Published
2026-10-06T00:36:14Z
Modified
2026-10-08T16:47:03Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello
Details

Security vulnerability affects the temporal-server package. Handshakes which used Encrypted Client Hello could be de-anonymized by a passive network observer due to a disclosure of pre-shared key identities in the unencrypted client hello.

References

Affected packages

CleanStart / temporal-server

Package

Name
temporal-server
Purl
pkg:apk/cleanstart/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-AZ00076.json"