Event disclosure and cancellation via unscoped job IDs
Published Jun 30, 2026 · Updated Jun 30, 2026
Missing authentication in IBM Langflow OSS 1.0.0 through 1.9.6 allows remote attackers to read build events or cancel jobs. The public event and cancellation handlers accept a caller-supplied job identifier without verifying that the job originated through the public-build path. Exploitation requires a valid job identifier and exposes build data or interrupts that job, without reported arbitrary code execution.
Summary
What happened
Missing authentication in IBM Langflow OSS 1.0.0 through 1.9.6 allows remote attackers to read build events or cancel jobs. The public event and cancellation handlers accept a caller-supplied job identifier without verifying that the job originated through the public-build path. Exploitation requires a valid job identifier and exposes build data or interrupts that job, without reported arbitrary code execution.
The record
- CVE
- CVE-2026-10560
- Published
- Jun 30, 2026
- Updated
- Jun 30, 2026
- Vendor
- OpenBMC Project
- Product
- Langflow OSS
- Classifications
- CWE-287, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Jun 30, 2026CVE publishedPublication date reported by the CVE source.
- Jun 30, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=1.0.0 <=1.9.6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
- IBM build-event access and cancellation proof of conceptproof of concept · demonstrated
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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