---
cve: "CVE-2026-46595"
severity: "CRITICAL"
cvss: 10.0
epss: "0.5%"
vendor: "golang.org/x/crypto"
kev: false
exploited: false
published: "2026-05-22 04:16:25"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-23T14:59:42+02:00"
---

# CVE-2026-46595

> 10.0 CRITICAL

## Beschreibung

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.

## CNA-Record (Kanon, cvelistV5)

- CNA: **Go**
- State: PUBLISHED
- Stand: 2026-09-11 12:09:08

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Gering | warn |

## Schwachstellen-Klasse

- **CWE-863** — Incorrect Authorization
  The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

## Patch verfügbar (OSV)

- a1c0d9929856c8aba2b31f079340f00578eda803 (Commit)

## BSI-Hinweise (deutsch)

- [Golang Go-Module (Net, Image, Crypto: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-1653) — _BSI-Einstufung: mittel_
  Ein Angreifer kann mehrere Schwachstellen in Golang Go ausnutzen, um erweiterte Privilegien zu erlangen, Cross-Site-Scripting-Angriffe durchzuführen, Sicherheitsmaßnahmen zu umgehen oder einen Denial-of-Service-Zustand zu verursachen.

## Referenzen

- <https://go.dev/issue/79570>
- <https://groups.google.com/g/golang-announce/c/a082jnz-LvI>
- <https://go.dev/cl/781642>
- <https://pkg.go.dev/vuln/GO-2026-5023>
- <https://access.redhat.com/errata/RHSA-2026:23262>
- <https://access.redhat.com/errata/RHSA-2026:23264>
- <https://access.redhat.com/errata/RHSA-2026:26546>
- <https://access.redhat.com/errata/RHSA-2026:26547>
- <https://access.redhat.com/errata/RHSA-2026:30650>
- <https://access.redhat.com/errata/RHSA-2026:30651>
- <https://access.redhat.com/errata/RHSA-2026:33524>
- <https://access.redhat.com/errata/RHSA-2026:33531>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-46595/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_