---
cve: "CVE-2026-1500"
severity: "MEDIUM"
cvss: 6.5
epss: "0.3%"
vendor: "GitLab"
kev: false
exploited: false
published: "2026-06-11 12:16:31"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-11-09T18:36:38+01:00"
---

# CVE-2026-1500

> 6.5 MEDIUM

## Beschreibung

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.10 before 18.10.8, 18.11 before 18.11.5, and 19.0 before 19.0.2 that under certain conditions could have allowed an authenticated user to cause denial of service due to uncontrolled resource consumption when processing a specially crafted file upload.

## CNA-Record (Kanon, cvelistV5)

- CNA: **GitLab**
- State: PUBLISHED
- Stand: 2026-06-11 12:20:51
- CNA-CVSS: **6.5** (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H`)

## CISA-Anreicherung (vulnrichment/ADP)

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

## CVSS-Vektor

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

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

## Schwachstellen-Klasse

- **CWE-770** — Allocation of Resources Without Limits or Throttling
  The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

## Angriffsmuster (CAPEC)

- [CAPEC-125 — Flooding](https://capec.mitre.org/data/definitions/125.html) _(Severity: Medium)_
- [CAPEC-130 — Excessive Allocation](https://capec.mitre.org/data/definitions/130.html) _(Severity: Medium)_
- [CAPEC-147 — XML Ping of the Death](https://capec.mitre.org/data/definitions/147.html) _(Severity: Medium)_
- [CAPEC-197 — Exponential Data Expansion](https://capec.mitre.org/data/definitions/197.html) _(Severity: Medium)_
- [CAPEC-229 — Serialized Data Parameter Blowup](https://capec.mitre.org/data/definitions/229.html) _(Severity: High)_
- [CAPEC-230 — Serialized Data with Nested Payloads](https://capec.mitre.org/data/definitions/230.html) _(Severity: High)_
- [CAPEC-231 — Oversized Serialized Data Payloads](https://capec.mitre.org/data/definitions/231.html) _(Severity: High)_
- [CAPEC-469 — HTTP DoS](https://capec.mitre.org/data/definitions/469.html) _(Severity: Low)_

## ATT&CK-Techniken

- [T1498.001 — Network Denial of Service: Direct Network Flood](https://attack.mitre.org/techniques/T1498/001/)
- [T1499 — Endpoint Denial of Service](https://attack.mitre.org/techniques/T1499/)
- [T1499.003 — Endpoint Denial of Service:Application Exhaustion Flood](https://attack.mitre.org/techniques/T1499/003/)
- [T1499.002 — Endpoint Denial of Service: Service Exhaustion Flood](https://attack.mitre.org/techniques/T1499/002/)

## Patch verfügbar (OSV)

- 691141944493a0faa4bc3229af2e6a8663e58653 (Commit)
- 9b638f3c6869a41d392cc3f77cfd68c8a06bda5f (Commit)

## BSI-Hinweise (deutsch)

- [GitLab: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-1886) — _BSI-Einstufung: hoch_
  Ein Angreifer kann mehrere Schwachstellen in GitLab ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren, serverseitige Request-Forgery- und Cross-Site-Scripting-Angriffe durchzuführen, vertrauliche Informationen offenzulegen oder einen Denial-of-Service-Zustand zu verursachen.

## Referenzen

- <https://hackerone.com/reports/3517331>
- <https://gitlab.com/gitlab-org/gitlab/-/work_items/587825>
- <https://about.gitlab.com/releases/2026/06/10/patch-release-gitlab-19-0-2-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-1500/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_