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CVE

CVE-2026-42508

golang.org/x/crypto vulnerable to auth bypass via unenforced @revoked status
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CVE

CVE-2026-42508

golang.org/x/crypto vulnerable to auth bypass via unenforced @revoked status

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
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-42508, https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42508.json, https://pkg.go.dev/vuln/GO-2026-5021, https://groups.google.com/g/golang-announce/c/a082jnz-LvI, https://go.dev/issue/79568, https://go.dev/cl/781220, https://cs.opensource.google/go/x/crypto, https://bugzilla.redhat.com/show_bug.cgi?id=2480688, https://access.redhat.com/security/cve/CVE-2026-42508, https://access.redhat.com/errata/RHSA-2026:41066, https://access.redhat.com/errata/RHSA-2026:41064, https://access.redhat.com/errata/RHSA-2026:41036, https://access.redhat.com/errata/RHSA-2026:41031, https://access.redhat.com/errata/RHSA-2026:41019, https://access.redhat.com/errata/RHSA-2026:40945, https://access.redhat.com/errata/RHSA-2026:40262, https://access.redhat.com/errata/RHSA-2026:40138, https://access.redhat.com/errata/RHSA-2026:40118, https://access.redhat.com/errata/RHSA-2026:37387, https://access.redhat.com/errata/RHSA-2026:37123, https://access.redhat.com/errata/RHSA-2026:37072, https://access.redhat.com/errata/RHSA-2026:36808, https://access.redhat.com/errata/RHSA-2026:36797, https://access.redhat.com/errata/RHSA-2026:36796, https://access.redhat.com/errata/RHSA-2026:36651, https://access.redhat.com/errata/RHSA-2026:36648, https://access.redhat.com/errata/RHSA-2026:35833, https://access.redhat.com/errata/RHSA-2026:26547, https://access.redhat.com/errata/RHSA-2026:26546, https://access.redhat.com/errata/RHSA-2026:23264, https://access.redhat.com/errata/RHSA-2026:23262

Severity

9.1

CVSS Score
0
10

Basic Information

Base CVSS
9.1
EPSS Probability
0.07314%
EPSS Percentile
0.9391%
Introduced Version
0,v0.0.0-20170413082135-ed779e1bec01,v0.1.0
Fix Available
0.52.0,v0.0.0-20260521175849-f717e29698a2,v0.52.0,0,0.2.280-r0,3.1.16-r3,3.1.16-r1,1.9.10-r24,1.9.10-r17,3.6.19-r7,1.2.1-r2,10.0.4-r3,7.0.8-r0,8.1.4-r2,9.0.3-r4,2.1.19-r0,11.6.16-r0,12.2.10-r0,12.3.8-r0,12.4.5-r0,2.3.1-r1,2.2.4-r1,3.4.45-r0,2.0.1-r12,2.1.0-r12,2.1.0-r11,2.5.1-r22,3.20.1-r13,18.1.6-r11,18.8.11-r1,19.0.1-r1,18.8.10-r1,18.9.8-r1,0.16.0-r6,12.1.10.01-r16,12.1.10.01-r6,1.1.0-r15,2.12.4-r43,2.12.4-r40,1.26.8-r4,1.27.9-r2,1.36.1.1-r0,1.33.12.1-r3,1.34.6.1-r11,1.35.5.1-r0,2.17.3-r4,1.20.3-r4,1.35.8-r0,1.32.13-r1,1.32.13-r2,1.14.5-r12,3.4.6-r14,11.1.3-r3,11.4.5-r10,11.1.3-r5,11.2.4-r4,11.4.5-r6,2.7.3-r6,1.8.2-r1,2.51.2-r56,3.8.1-r4,3.9.1-r7,0.37.0-r33,1.36.4-r9,1.0.5-r2,2.11.47-r0,0.130.0-r0,1.21.4-r12,1.21.4-r16,22.0.4-r13,4.15.0-r4

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