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CVE

CVE-2026-42508

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
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CVE

CVE-2026-42508

Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts

Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://go.dev/issue/79568, https://go.dev/cl/781220, https://groups.google.com/g/golang-announce/c/a082jnz-LvI

Severity

9.1

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
9.1
EPSS Probability
0.0003%
EPSS Percentile
0.08889%
Introduced Version
0
Fix Available
0.52.0

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