---
cve: "CVE-2026-57953"
severity: "MEDIUM"
cvss: 5.3
epss: "26%"
vendor: "its-a-feature"
kev: false
exploited: false
published: "2026-06-29 18:16:40"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T19:19:16+02:00"
---

# CVE-2026-57953

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

Mythic before 3.4.0.60 contains an authorization bypass vulnerability that allows authenticated spectator-role users to perform unauthorized write operations by accessing the eventing_import_automatic_webhook endpoint registered under spectator-permitted middleware. Attackers with spectator role can exploit this misconfigured access control to create and delete automation workflows, making unauthorized modifications to operation automation configuration and EventGroups.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Patch verfügbar (OSV)

- 29be09eef48814e01ee75a4388b1fc0caf5b1ee5 (Commit)
- 82648e8241b800a32e1882afc310e7316d98ebaa (Commit)

## Referenzen

- <https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60>
- <https://github.com/its-a-feature/Mythic/issues/565>
- <https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa>
- <https://www.vulncheck.com/advisories/mythic-unauthorized-automation-workflow-modification-via-eventing-import-automatic-webhook-endpoint>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-57953) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_