> CVE-2026-58015 [MEDIUM]

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PUBLISHED
2026-06-30 13:19
MODIFIED
2026-06-30 13:19
CVSS_SCORE V3
5.9
EPSS (Prob. Exploit)
0.77%
Top 44.7%
DATA SOURCES:
NVD đź”— 2026-06-30 FIRST EPSS đź”— 2026-10-25 MSRC đź”— 2026-11-02

> DESCRIPTION

A flaw was found in GLib. The D-Bus client-side implementation of the DBUS_COOKIE_SHA1 SASL authentication mechanism does not validate the cookie_context parameter received from the server. A malicious D-Bus server can supply a cookie_context containing path traversal sequences, causing the client to read an arbitrary file and exfiltrate sensitive data by verifying guessed file contents against a generated hash.

> 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:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EXPLOITABILITY
2.2
IMPACT
3.6

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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
High (H)
Conditions spécifiques doivent être réunies pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
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
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
None
Aucune interruption de service

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> HISTORIQUE DES MODIFICATIONS

Première apparition
30/06/2026 13:19
Source: NVD
Total des modifications: 0 Dernière mise à jour: 4 months ago

> REFERENCES

https://access.redhat.com/security/cve/CVE-2026-58015
https://bugzilla.redhat.com/show_bug.cgi?id=2492256
https://gitlab.gnome.org/GNOME/glib/-/issues/3931
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