> CVE-2026-68930 [MEDIUM]

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PUBLISHED
2026-08-03 17:16
MODIFIED
2026-08-03 17:16
CVSS_SCORE V3
6.5
EPSS (Prob. Exploit)
0.38%
Top 68.4%
DATA SOURCES:
NVD đź”— 2026-08-03 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-11-01 GITHUB đź”— 2026-10-29 OSV đź”— 2026-11-02

> DESCRIPTION

Russh is a Rust SSH client & server library. Prior to 0.62.5, russh dispatches channel-scoped Handler callbacks for recipient channel IDs that were never opened or confirmed in russh/src/server/encrypted.rs, server_read_authenticated, and the exec_request callback. Version 0.62.5 fixes the issue.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
EXPLOITABILITY
2.8
IMPACT
3.6

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-666 CWE-696 CWE-863

> CWE DETAILED DESCRIPTIONS

CWE-666: Operation on Resource in Wrong Phase of Lifetime - The product performs an operation on a resource at the wrong phase of the resource's lifecycle, which can lead to unexpected behaviors. | CWE-696: Incorrect Behavior Order - The product performs multiple related behaviors, but the behaviors are performed in the wrong order in ways that may produce resultant weaknesses. | 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.

> GITHUB SECURITY ADVISORY

GHSA-m65r-rprj-r5rg MODERATE

Russh: Channel-scoped server callbacks can be reached without an open channel

AFFECTED PACKAGES:
RUST / russh
<= 0.62.4
Fixed in: 0.62.5

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Russh: Channel-scoped server callbacks can be reached without an open channel

AFFECTED PACKAGES:
Unknown / Unknown
85 versions affected
ALIASES:
GHSA-m65r-rprj-r5rg

> HISTORIQUE DES MODIFICATIONS

Première apparition
03/08/2026 17:16
Source: NVD
đź“Š ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-666: Operation on Resource in Wrong Phase of Lifetime - The product performs an operation on a resource at the wrong phase of the resource's lifecycle, which can lead to unexpected behaviors. | CW...
Total des modifications: 1 Dernière mise à jour: 2 months ago

> REFERENCES

https://github.com/Eugeny/russh/commit/7c5659f8cf6f6f2f9989d12dba0ebf49dc50a171
https://github.com/Eugeny/russh/releases/tag/v0.62.5
https://github.com/Eugeny/russh/security/advisories/GHSA-m65r-rprj-r5rg
https://github.com/Eugeny/russh/security/advisories/GHSA-m65r-rprj-r5rg
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