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CVE-2026-85179

Label Studio through 1.23.0 SSRF via Unvalidated Webhook URL

CVSS 4.0 8.4 HIGHCVSS 3.1 8.5 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-85179

Published

Label Studio through 1.23.0 fails to validate webhook URLs, allowing authenticated users to dispatch requests to internal services including RFC 1918 addresses and cloud metadata endpoints. Attackers can create webhooks targeting private networks and exfiltrate annotation data by enabling payload transmission in outbound requests.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-85179

Published

label-studio

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "HumanSignal",
                    "product": "label-studio",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:pypi/label-studio",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "semver",
                            "lessThanOrEqual": "1.23.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON