CVE-2026-85179Label Studio through 1.23.0 SSRF via Unvalidated Webhook URL
Updated under an hour ago ()
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It affects HumanSignal label-studio. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- Weakness (CWE)
- CWE-918
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 24, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
HumanSignal label-studio humansignal:label_studio (from the name) | through 1.23.0 | CNA record |
References
- https://github.com/HumanSignal/label-studio/issues/9801issue-tracking
- https://github.com/HumanSignal/label-studioproduct
- https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/webhooks/utils.pytechnical-description
- https://github.com/HumanSignal/label-studio/commit/2c1c1d6472153032af8ed399168f814bea854e3epatch
- https://www.vulncheck.com/advisories/label-studio-through-1.23.0-ssrf-via-unvalidated-webhook-urlthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.