CVE-2026-85179
HIGHLabel 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...
Full CISO analysis pending enrichment.
What systems are affected?
| Package | Ecosystem | Vulnerable Range | Patched |
|---|---|---|---|
| Label Studio | pip | — | No patch |
Do you use Label Studio? You're affected.
How severe is it?
What is the attack surface?
What should I do?
No patch available
Monitor for updates. Consider compensating controls or temporary mitigations.
Which compliance frameworks are affected?
Compliance analysis pending. Sign in for full compliance mapping when available.
Frequently Asked Questions
What is CVE-2026-85179?
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.
Is CVE-2026-85179 actively exploited?
No confirmed active exploitation of CVE-2026-85179 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-85179?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-85179?
CVE-2026-85179 has a CVSS v3.1 base score of 8.5 (HIGH).
What are the technical details?
Original Advisory
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.
Weaknesses (CWE)
CWE-918 — Server-Side Request Forgery (SSRF): The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N References
- github.com/HumanSignal/label-studio product
- github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/webhooks/utils.py technical-description
- github.com/HumanSignal/label-studio/commit/2c1c1d6472153032af8ed399168f814bea854e3e patch
- github.com/HumanSignal/label-studio/issues/9801 issue-tracking
- vulncheck.com/advisories/label-studio-through-1.23.0-ssrf-via-unvalidated-webhook-url third-party-advisory
Timeline
Related Vulnerabilities
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Same package: label-studio CVE-2026-85211 7.7 Analysis pending
Same package: label-studio CVE-2022-36551 6.5 Label Studio: SSRF + file read, self-reg bypass
Same package: label-studio