CVE-2026-10560 json
Unauthenticated Access to Private Flow Build Events and Cancellation in Langflow OSS
published 2026-06-30 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-40401
- cvss
- 8.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
IBM Langflow OSS 1.0.0 through 1.9.6 contains a missing authentication vulnerability in /api/v1/build_public_tmp/ endpoints that allows an unauthenticated attacker to read build event data or cancel jobs using a valid job identifier, resulting in information disclosure and denial of service.
Patch / fix
- ibm.com/support/pages/node/7277996 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 4 mo ago
Exploit prediction
0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
Affected products
- IBM Langflow OSS
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
ibm.com
/support/pages/node/7277996
vendor-advisory, patch
Sources
- CVE List CVE-2026-10560
- NVD CVE-2026-10560
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