Review reviewCritical

CVE-2026-46595

golang.org/x/crypto golang.org/x/crypto/ssh, RHEM 1.0 for RHEL 9, RHEM 1.1 for RHEL 10

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.

CVSS
10
EPSS
0.50%
40.3% percentile
CISA KEV
Not listed
Published
2026.05.22
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.50%
Technical severityCVSS 10

Vulnerability overview

Previously, CVE-2024-45337 fixed an authorization bypass for misused ssh server configurations; if any other type of callback is passed other than public key, then the source-address validation would be skipped.

Affected product and versions

Product
golang.org/x/crypto golang.org/x/crypto/ssh, RHEM 1.0 for RHEL 9, RHEM 1.1 for RHEL 10
Affected versions
< 0.52.0
Fixed versions
0.52.0

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that golang.org/x/crypto golang.org/x/crypto/ssh, RHEM 1.0 for RHEL 9, RHEM 1.1 for RHEL 10 and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L
CWE
CWE-303, CWE-863
CVE-2026-46595 — golang.org/x/crypto golang.org/x/crypto/ssh, RHEM 1.0 for RHEL 9, RHEM 1.1 for RHEL 10 | SECUFOCUS NOW