---
cve: "CVE-2026-58578"
severity: "HIGH"
cvss: 7.1
epss: "31%"
vendor: "lobehub"
kev: false
exploited: false
published: "2026-07-02 20:17:06"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-16T07:26:52+02:00"
---

# CVE-2026-58578

> 7.1 HIGH · 🧪 PoC

## Beschreibung

LobeChat before version 2.2.10-canary.15 contains a regular expression denial of service (ReDoS) vulnerability that allows authenticated attackers to block the Node.js event loop by supplying a catastrophic-backtracking pattern in a GitHub repository URL path during skill import. Attackers can craft a malicious basePath value containing unescaped regex metacharacters such as catastrophic-backtracking patterns, which are injected into a dynamically constructed regular expression in the findSkillMd function and executed synchronously against archive entries, denying service to all concurrent users for tens of seconds per request.

## CVSS-Vektor

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

- 287b8bb2288b921108d601f3d9c4d92da281ae7d (Commit)
- 349bbe326eb8635d6d9c6a96d12702681ae3a84a (Commit)

## Referenzen

- <https://github.com/lobehub/lobehub/releases/tag/v2.2.10-canary.15>
- <https://github.com/lobehub/lobehub/issues/16494>
- <https://github.com/lobehub/lobehub/pull/16548>
- <https://github.com/lobehub/lobehub/commit/349bbe326eb8635d6d9c6a96d12702681ae3a84a>
- <https://www.vulncheck.com/advisories/lobechat-canary-15-regular-expression-denial-of-service-in-github-skill-import>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-58578) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_