CVE-2026-85179
Label Studio through 1.23.0 SSRF via Unvalidated Webhook URL
- State
- Published
- Severity
- 8.4 High
- Published
- Sep 3, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 3, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.4 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N | VulnCheck |
| 3.1 | 8.5 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
label-studioHumanSignal |
|
References
- GitHub Issue #9801issue-tracking
- https://github.com/HumanSignal/label-studioproduct
- webhooks/utils.py at 1.23.0technical-description
- https://github.com/HumanSignal/label-studio/commit/2c1c1d6472153032af8ed399168f814bea854e3epatch
- VulnCheck Advisory: Label Studio through 1.23.0 SSRF via Unvalidated Webhook URLthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.