Label Studio fails to apply organization filters when resolving storage URIs for tasks and projects in proxy_api.py endpoints. Attackers can access other tenants' cloud storage objects by creating a separate organization and supplying arbitrary file URIs to presign or stream bucket contents.
CVE-2026-85211
Score 7.7 from GitHub Security Advisory (severity: HIGH) published 2026-09-03. a secondary CVSS source baseline 7.7; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.7
- EG Score
- 7.7(high)
- EG Risk
- 51(Track)EG Risk 51/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity77% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 15%
- KEV
- Not listed
Published
September 3, 2026
Last Modified
September 10, 2026
Advisory Details (4)
Auto-updated Sep 3, 2026Label Studio through 1.23.0 Cross-Organization Storage URI Resolution | Advisories | VulnCheck
https://www.vulncheck.com/advisories/label-studio-through-1.23.0-cross-organization-storage-uri-resolutionlabel-studio/label_studio/io_storages/proxy_api.py at 1.23.0 · HumanSignal/label-studio · GitHub
https://github.com/HumanSignal/label-studio/blob/1.23.0/label_studio/io_storages/proxy_api.pyGitHub - HumanSignal/label-studio: Label Studio is a multi-type data labeling and annotation tool with standardized output format · GitHub
https://github.com/HumanSignal/label-studioCross-organization IDOR in storage-URI resolve/proxy endpoints → arbitrary cross-tenant cloud-storage object read · Issue #9924 · HumanSignal/label-studio · GitHub
https://github.com/HumanSignal/label-studio/issues/9924Vendor Advisories for CVE-2026-85211(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 29× in last 7d / 72× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-09-21 03:55 UTCEG score recompute
- 2026-09-21 03:55 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 17:03 UTCGHSA enrichment
- 2026-09-20 06:11 UTCGHSA enrichment
- 2026-09-19 19:19 UTCEG score recompute
- 2026-09-19 19:19 UTCGHSA enrichment
- 2026-09-19 08:15 UTCGHSA enrichment
- 2026-09-18 21:24 UTCEG score recompute
- 2026-09-18 21:24 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 09:28 UTCGHSA enrichment
- 2026-09-17 22:37 UTCEG score recompute
- 2026-09-17 22:36 UTCGHSA enrichment
- 2026-09-17 19:32 UTCEPSS rescore
- 2026-09-17 11:41 UTCGHSA enrichment
- 2026-09-17 00:50 UTCEG score recompute
- 2026-09-17 00:50 UTCGHSA enrichment
- 2026-09-16 14:09 UTCEPSS rescore
- 2026-09-16 13:59 UTCEG score recompute
- 2026-09-16 13:59 UTCGHSA enrichment
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 03:01 UTCGHSA enrichment
- 2026-09-15 16:10 UTCGHSA enrichment
- 2026-09-15 05:19 UTCEG score recompute
Show 47 moreShow fewer
- 2026-09-15 05:18 UTCGHSA enrichment
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-15 03:12 UTCEPSS rescore
- 2026-09-14 18:23 UTCGHSA enrichment
- 2026-09-14 06:50 UTCGHSA enrichment
- 2026-09-13 19:59 UTCEG score recompute
- 2026-09-13 19:59 UTCGHSA enrichment
- 2026-09-13 09:07 UTCGHSA enrichment
- 2026-09-12 22:17 UTCEG score recompute
- 2026-09-12 22:17 UTCGHSA enrichment
- 2026-09-12 11:26 UTCGHSA enrichment
- 2026-09-12 00:34 UTCEG score recompute
- 2026-09-12 00:34 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 13:43 UTCEG score recompute
- 2026-09-11 13:43 UTCGHSA enrichment
- 2026-09-11 02:52 UTCGHSA enrichment
- 2026-09-10 16:00 UTCGHSA enrichment
- 2026-09-10 10:19 UTCEG score recompute
- 2026-09-10 10:19 UTCGHSA enrichment
- 2026-09-09 23:28 UTCGHSA enrichment
- 2026-09-09 10:03 UTCGHSA enrichment
- 2026-09-08 23:09 UTCEG score recompute
- 2026-09-08 23:09 UTCGHSA enrichment
- 2026-09-08 22:01 UTCEPSS rescore
- 2026-09-08 04:12 UTCGHSA enrichment
- 2026-09-07 17:20 UTCEG score recompute
- 2026-09-07 17:20 UTCGHSA enrichment
- 2026-09-07 06:28 UTCGHSA enrichment
- 2026-09-06 19:33 UTCEG score recompute
- 2026-09-06 19:32 UTCGHSA enrichment
- 2026-09-06 13:48 UTCEPSS rescore
- 2026-09-06 08:38 UTCGHSA enrichment
- 2026-09-05 21:47 UTCEG score recompute
- 2026-09-05 21:47 UTCGHSA enrichment
- 2026-09-05 15:31 UTCEPSS rescore
- 2026-09-05 10:56 UTCGHSA enrichment
- 2026-09-05 00:04 UTCEG score recompute
- 2026-09-05 00:04 UTCGHSA enrichment
- 2026-09-04 13:12 UTCGHSA enrichment
- 2026-09-04 02:22 UTCEG score recompute
- 2026-09-04 02:22 UTCGHSA enrichment
- 2026-09-03 15:31 UTCEG score recompute
- 2026-09-03 14:49 UTCEG score recompute
- 2026-09-03 14:20 UTCEG score recompute
- 2026-09-03 14:18 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
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Frequently asked(5)
What is CVE-2026-85211?
When was CVE-2026-85211 disclosed?
Is CVE-2026-85211 actively exploited?
What is the CVSS score of CVE-2026-85211?
How do I remediate CVE-2026-85211?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-85211
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