> CVE-2026-63094 [HIGH]

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PUBLISHED
2026-07-17 15:16
MODIFIED
2026-07-17 15:16
CVSS_SCORE V3
7.6
EPSS (Prob. Exploit)
0.26%
Top 82.0%
DATA SOURCES:
NVD 🔗 2026-07-17 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 OSV 🔗 2026-11-02

> DESCRIPTION

SigNoz through 0.133.0 contains an open redirect vulnerability in the SSO authentication flow that allows unauthenticated attackers to steal session tokens from any user on instances configured with Google OAuth, SAML, or OIDC. Attackers can call the unauthenticated sessions context endpoint with a ref parameter pointing to an attacker-controlled host, deliver the resulting crafted login URL to a victim, and receive the victim's access and refresh tokens when they complete SSO authentication.

> AFFECTED_PRODUCTS

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

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
Unknown (P)
Interaction inconnue
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
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

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

> WEAKNESSES

CWE-345 CWE-601

> CWE DETAILED DESCRIPTIONS

CWE-345: Insufficient Verification of Data Authenticity - The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. | CWE-601: URL Redirection to Untrusted Site - The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

SigNoz < 0.134.0 SSO OAuth State Manipulation Session Token Theft

AFFECTED PACKAGES:
Unknown / Unknown
201 versions affected

> HISTORIQUE DES MODIFICATIONS

Première apparition
17/07/2026 15:16
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-345: Insufficient Verification of Data Authenticity - The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. | CWE-601: URL Re...
Nouvelle valeur:
CWE-345: Insufficient Verification of Data Authenticity - The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. | CWE-601: URL Re...
📊 ENRICHISSEMENT 01/08/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-345: Insufficient Verification of Data Authenticity - The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. | CWE-601: URL Re...
Total des modifications: 2 Dernière mise à jour: 5 days ago

> REFERENCES

https://github.com/SigNoz/signoz/issues/11746
https://github.com/SigNoz/signoz/pull/11844
https://www.vulncheck.com/advisories/signoz-sso-oauth-state-manipulation-session...
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