CLEANSTART-2026-YX19241

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Import Source
https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-YX19241.json
JSON Data
https://api.osv.dev/v1/vulns/CLEANSTART-2026-YX19241
Upstream
Published
2026-10-06T00:35:15Z
Modified
2026-10-08T16:46:54Z
Severity
  • 10.0 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succ...
Details

Security vulnerability affects the go1.27 package. During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between the initial handshake and the resumed handshake, the resumed handshake may succeed when it should have failed.

References

Affected packages

CleanStart / go1.27

Package

Name
go1.27
Purl
pkg:apk/cleanstart/go1.27

Affected ranges

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

Database specific

source
"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-YX19241.json"