---
cve: "CVE-2026-67437"
severity: "HIGH"
cvss: 7.5
epss: "35%"
vendor: "OliveTin"
kev: false
exploited: false
published: "2026-07-29 21:17:47"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-02T13:21:03+02:00"
---

# CVE-2026-67437

> 7.5 HIGH · 🧪 PoC

## Beschreibung

OliveTin gives access to predefined shell commands from a web interface. From 3000.0.0 until 3000.17.0, the service/internal/auth/otoauth2/restapi_auth_oauth2.go OAuth2 login handler stores per-login state in the registeredStates map on every /oauth/login request without expiring, deleting, or bounding entries, allowing an unauthenticated attacker to exhaust memory and cause a denial of service. This issue is fixed in version 3000.17.0.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- ec114e95d297b806c3ca0c37bc139b3c9c517b3f (Commit)
- d0075a7a8d44028793ea3384b34062b940841f24 (Commit)

## Referenzen

- <https://github.com/OliveTin/OliveTin/security/advisories/GHSA-xpxj-f2fm-rqch>
- <https://github.com/OliveTin/OliveTin/commit/ec114e95d297b806c3ca0c37bc139b3c9c517b3f>
- <https://github.com/OliveTin/OliveTin/releases/tag/3000.17.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-67437) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_