---
cve: "CVE-2026-100895"
severity: "MEDIUM"
cvss: 6.9
epss: "0.7%"
vendor: "Trusted Domain Project"
kev: false
exploited: false
published: "2026-09-28 02:17:19"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-10-06T12:12:38+02:00"
---

# CVE-2026-100895

> 6.9 MEDIUM · 🧪 PoC

## Beschreibung

A security flaw has been discovered in Trusted Domain Project OpenARC up to 1.0.0.Beta1. Impacted is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.0.0.Beta0 is recommended to address this issue. Upgrading the affected component is advised.

## CNA-Record (Kanon, cvelistV5)

- CNA: **VulDB**
- State: PUBLISHED
- Stand: 2026-09-28 13:00:11
- CNA-CVSS: **6.9** (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **poc**
  - Automatable: **yes**
  - Technical Impact: **partial**

## CVSS-Vektor

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

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

## Referenzen

- <https://vuldb.com/vuln/410845>
- <https://vuldb.com/vuln/410845/cti>
- <https://vuldb.com/cve/CVE-2026-100895>
- <https://vuldb.com/submit/917187>
- <https://weitongli.com/share/openarc-c-tag-null-deref.html>
- <https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-100895) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_