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Docker CVE-2026-61560

| EUVDEUVD-2026-80008 CRITICAL
Path Traversal (CWE-22)
2026-09-15 security-advisories@github.com
Docker Path Traversal Gitlab
9.8
CVSS 3.1 · Vendor: github
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Severity by source

Vendor (github) PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (github) · only source for this CVE.

CVSS VectorVendor: github

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

5
POC Analysis Generated
Sep 15, 2026 - 23:21 vuln.today
Source Code Evidence Fetched
Sep 15, 2026 - 22:30 vuln.today
Analysis Generated
Sep 15, 2026 - 22:30 vuln.today
Patch available
Sep 15, 2026 - 22:20 EUVD
CVE Published
Sep 15, 2026 - 22:16 cve.org
CRITICAL 9.8

DescriptionCVE.org

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Prior to version 2.1.27, the SSE transport mode (SSE=true) exposes all MCP tools without any authentication. The upload_markdown tool reads arbitrary files from the server's local filesystem via an unsanitized file_path parameter and uploads them to a GitLab project. Combined, any unauthenticated network-reachable attacker can read /proc/self/environ to steal the server's GITLAB_PERSONAL_ACCESS_TOKEN and achieve full GitLab account takeover. This is the default configuration for Docker deployments. Version 2.1.27 contains a patch.

Articles & Coverage 2

News We need answer only title. Need generate concise article title for vendor vulnerability roundup. Format: "N New [Product] Vulnerabilities - X Critical, Y With POC". Product Docker. Total CVEs 4. Severity CRITICAL 2 HIGH 2. POC count 0. Need max 100 chars. Return only title no quotes. Need decide title. "4 New Docker Vulnerabilities - 2 Critical, 0 With POC" That matches format. Check chars: 4(1)+space1=2 New=3? Let's count: Sep 16, 2026 News We need answer with JSON only. Need synthesize. Need follow all fields. Need include risk_assessment with "olsztyn" once. Must not appear elsewhere. Need be careful with product_name 1-3 words. "gitlab-mcp" maybe product. CVE description says @zereight/mcp-gitlab. Product_name: "mcp-gitlab" or "gitl...". Need generate concise SEO-friendly article title. Format: "Critical/High [Vulnerability Type] in [Product] - [CVE-ID]". Max 100 chars Sep 16, 2026

Analysis

@zereight/mcp-gitlab is a Model Context Protocol server for GitLab. Prior to version 2.1.27, the SSE transport mode (SSE=true) exposes all MCP tools without any authentication. …

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CVE-2026-61560 vulnerability details – vuln.today
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