CVEvulnerability
CVE-2026-85179
8.4 HIGH
Official page ↗
- Status
- Deferred
- Published
- 2026-09-03
- Last modified
- 2026-09-24
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 8.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- Weaknesses
- CWE-918
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.
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/HumanSignal/label-studio github.com
- https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/webhooks/utils.py github.com
- https://github.com/HumanSignal/label-studio/commit/2c1c1d6472153032af8ed399168f814bea854e3e github.com
- https://github.com/HumanSignal/label-studio/issues/9801 github.com
- https://www.vulncheck.com/advisories/label-studio-through-1.23.0-ssrf-via-unvalidated-webhook-url www.vulncheck.com