---
cve: "CVE-2026-112785"
severity: "MEDIUM"
cvss: 5.3
epss: "0.3%"
vendor: "opencats"
kev: false
exploited: false
published: "2026-10-20 11:17:18"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-29T17:44:30+01:00"
---

# CVE-2026-112785

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

OpenCATS before 0.10.0 contains a missing authorization vulnerability that allows READ-level users to create, rename, delete, and populate saved lists via AJAX endpoints. Authenticated attackers can send requests to newList.php, editListName.php, deleteList.php, or addToLists.php with any savedListID to alter or delete any saved list site-wide.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulnCheck**
- State: PUBLISHED
- Stand: 2026-10-20 16:06:56
- CNA-CVSS: **5.3** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/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 |

## Schwachstellen-Klasse

- **CWE-862** — Missing Authorization
  The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

## Angriffsmuster (CAPEC)

- [CAPEC-665 — Exploitation of Thunderbolt Protection Flaws](https://capec.mitre.org/data/definitions/665.html) _(Severity: Very High)_

## ATT&CK-Techniken

- [T1211 — Exploitation for Defensive Evasion](https://attack.mitre.org/techniques/T1211/)
- [T1542.002 — Pre-OS Boot: Component Firmware](https://attack.mitre.org/techniques/T1542/002/)
- [T1556 — Modify Authentication Process](https://attack.mitre.org/techniques/T1556/)

## Patch verfügbar (OSV)

- e8caaa631b0068ef17ed216be3a0526e7f951ca0
- aa3b414c3672f5010ca26c44192aa8e72d3735bd

## Referenzen

- <https://github.com/opencats/OpenCATS/issues/720>
- <https://github.com/opencats/OpenCATS/commit/aa3b414c3672f5010ca26c44192aa8e72d3735bd>
- <https://github.com/opencats/OpenCATS/releases/tag/v0.10.0>
- <https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/deleteList.php>
- <https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/newList.php>
- <https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/editListName.php>
- <https://github.com/opencats/OpenCATS/blob/5781f41814f09493c7ce05b9251b5e09c1aff0cd/modules/lists/ajax/addToLists.php>
- <https://www.vulncheck.com/advisories/opencats-before-0.10.0-missing-authorization-in-saved-list-ajax-endpoints>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-112785/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_