> CVE-2026-54174 [HIGH]

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PUBLISHED
2026-09-11 21:17
MODIFIED
2026-09-11 21:17
CVSS_SCORE V3
8.3
EPSS (Prob. Exploit)
0.16%
Top 95.8%
DATA SOURCES:
NVD đź”— 2026-09-11 CWE MITRE đź”— 2026-10-01 FIRST EPSS đź”— 2026-10-18 GITHUB đź”— 2026-09-18 OSV đź”— 2026-10-26

> DESCRIPTION

melange allows users to build apk packages using declarative pipelines. Apko prior to version 1.2.9, corresponding to melange prior to version 0.50.4, verified the control section hash (`.PKGINFO` etc.) against the signed `APKINDEX`, but never verified the data section hash (the actual package files that get installed). An attacker who could compromise a mirror, poison a cache, or MITM a package fetch could substitute arbitrary file contents while the control hash check still passed. Apko version 1.2.9 and melange version 0.50.4 contain a fix.

> 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:R/S:C/C:H/I:H/A:H
EXPLOITABILITY
1.6
IMPACT
6.0

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
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
Required (R)
NĂ©cessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre)
Scope
Changed (C)
Impact s'Ă©tend au-delĂ  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
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-345 CWE-354

> 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-354: Improper Validation of Integrity Check Value - The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.

> GITHUB SECURITY ADVISORY

GHSA-fpg8-7664-jc5q HIGH

melange: Incomplete package integrity verification allows data section substitution

AFFECTED PACKAGES:
GO / chainguard.dev/melange
< 0.50.4
Fixed in: 0.50.4
GO / chainguard.dev/apko
< 1.2.9
Fixed in: 1.2.9

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

melange: Incomplete package integrity verification allows data section substitution

AFFECTED PACKAGES:
Unknown / Unknown
227 versions affected
ALIASES:
GHSA-fpg8-7664-jc5q, GO-2026-5968

> HISTORIQUE DES MODIFICATIONS

Première apparition
11/09/2026 21:17
Source: NVD
đź“Š ENRICHISSEMENT 01/10/2026 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-354: Improp...
Total des modifications: 1 Dernière mise à jour: 3 weeks ago

> REFERENCES

https://github.com/chainguard-dev/melange/security/advisories/GHSA-fpg8-7664-jc5...
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