> CVE-2026-49821 [HIGH]

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PUBLISHED
2026-06-10 18:17
MODIFIED
2026-06-10 18:17
CVSS_SCORE V3
7.7
EPSS (Prob. Exploit)
0.23%
Top 86.0%
DATA SOURCES:
NVD 🔗 2026-06-10 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-11-05 OSV 🔗 2026-10-26

> DESCRIPTION

Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, Fission's buildermgr controller processed Package CRDs without verifying that Package.spec.environment.namespace matched Package.metadata.namespace. This issue has been patched in version 1.24.0.

> 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:C/C:H/I:N/A:N
EXPLOITABILITY
3.1
IMPACT
4.0

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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
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
Changed (C)
Impact s'étend au-delà 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

> WEAKNESSES

CWE-441 CWE-862

> CWE DETAILED DESCRIPTIONS

CWE-441: Unintended Proxy or Intermediary - The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the request before forwarding the request to an external actor that is outside of the product's control sphere. | CWE-862: Missing Authorization - The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

> GITHUB SECURITY ADVISORY

GHSA-vjhc-cf4p-72q4 HIGH

Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration

AFFECTED PACKAGES:
GO / github.com/fission/fission
<= 1.23.0
Fixed in: 1.24.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Fission: Cross-namespace Environment reference in Package allows build-time command execution and SA token exfiltration

AFFECTED PACKAGES:
Unknown / Unknown
70 versions affected
ALIASES:
GHSA-vjhc-cf4p-72q4, GO-2026-5859

> HISTORIQUE DES MODIFICATIONS

Première apparition
10/06/2026 18:17
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:59
CWE
Champ modifié: Description CWE
Ancienne valeur:
CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') - The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the ori...
Nouvelle valeur:
CWE-441: Unintended Proxy or Intermediary - The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the original source of the ...
📊 ENRICHISSEMENT 01/07/2026 06:01
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-441: Unintended Proxy or Intermediary ('Confused Deputy') - The product receives a request, message, or directive from an upstream component, but the product does not sufficiently preserve the ori...
Total des modifications: 2 Dernière mise à jour: 6 days ago

> REFERENCES

https://github.com/fission/fission/pull/3379
https://github.com/fission/fission/releases/tag/v1.24.0
https://github.com/fission/fission/security/advisories/GHSA-vjhc-cf4p-72q4
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