CVE-2026-18904
published 2026-08-28CVE-2026-18904: IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace…
PriorityP343high8.2CVSS 3.1
AVNACLPRNUINSUCHILAN
EPSS
0.31%
23.3th percentile
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | langflow_oss | 1.0.0 – 1.11.1 | — |
| langflow | langflow | >= 1.0.0 < 1.11.2 | 1.11.2 |
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GHSA
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
ghsa_unreviewed·2026-08-29
CVE-2026-18904 [HIGH] CWE-639 IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
VulDB
IBM Langflow OSS up to 1.11.1 improper authorization
vuldb·2026-08-29·CVSS 8.2
CVE-2026-18904 [HIGH] IBM Langflow OSS up to 1.11.1 improper authorization
A vulnerability identified as critical has been detected in IBM Langflow OSS up to 1.11.1. Affected is an unknown function. The manipulation leads to improper authorization.
This vulnerability is listed as CVE-2026-18904. The attack may be initiated remotely. There is no available exploit.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-28
Published