---
cve: "CVE-2026-92812"
severity: "HIGH"
cvss: 7.6
epss: "29.7%"
vendor: "decaporg"
kev: false
exploited: false
published: "2026-09-16 21:17:31"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T04:55:47+02:00"
---

# CVE-2026-92812

> 7.6 HIGH · 🧪 PoC

## Beschreibung

decap-server contains a path traversal vulnerability in the local proxy containment guard that uses plain string prefix comparison without path separator validation. Attackers can access sibling directories whose names begin with the repository directory name to read, write, or delete files outside the intended repository root.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |

## Referenzen

- <https://github.com/geo-chen/oss/blob/main/decap-cms.md>
- <https://github.com/decaporg/decap-cms/blob/11f35405cd1a1d1216e97b890173f46436752019/packages/decap-server/src/middlewares/joi/customValidators.ts#L11-L16>
- <https://github.com/decaporg/decap-cms>
- <https://www.vulncheck.com/advisories/decap-server-path-traversal-via-sibling-directory-prefix-matching>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-92812) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_