10

CVE-2026-46595: Invoking VerifiedPublicKeyCallback permissions skip enforcement in golang.org/x/crypto/ssh

Modified
AliasesUBUNTU-CVE-2026-46595DEBIAN-CVE-2026-46595CGA-227j-6hjp-cw4m
Published 22-05-2026Last modified 11-09-2026

Vulnerability summary

CVE-2026-46595 is a critical (CVSS 10.0) Incorrect Authorization vulnerability in golang crypto. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 46.4% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 10 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · +0.05 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 56 · Related 59

Timeline

  1. 22-05-2026
    PublishedVulnerability first disclosed.
  2. 11-09-2026
    Last modifiedVulnerability information updated.

Description

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 metrics

7 scores · 7 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

Increase +0.05 pp

From 0.50% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Chainguard200 products
  • aactl< 0.4.12-r53
  • actAll versions (No fix recorded)
  • actions-runner-controllerAll versions (No fix recorded)
  • actions-runner-controller-fipsAll versions (No fix recorded)
  • ageAll versions (No fix recorded)

1 vendor · 200 products · Showing 200 of 2862

References

52 links
Show all 52 references