CVE-2026-104316

Medium

Description

IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to cancel any victim's running background workflow job by sending a single HTTP request, resulting in loss of in-progress compute work with no flow-level permission check.

SeverityMedium
CVSS6.5
Exploit probability—
ProductLangflow
PublishedOct 29, 2026
First seenNov 4, 2026
Weakness typeCWE-285CWE-285

How to fix

Update
  • langflow langflow1.12.4 or later

Affected products

ProductAffected versionsFixed in
langflow langflow1.0.0 ≤ v < 1.12.41.12.4

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CVE-2026-104316 · Langflow · Dark Radar