CVE-2026-7658
published 2026-08-05CVE-2026-7658: IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass…
PriorityP340medium6.5CVSS 3.1
AVNACLPRLUINSUCNIHAN
EPSS
0.34%
26.3th percentile
IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing key deletion leading to session invalidation.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | langflow_oss | 1.0.0 – 1.10.3 | — |
| langflow | langflow | >= 1.0.0 < 1.11.0 | 1.11.0 |
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VulDB
IBM Langflow OSS up to 1.10.3 Username path traversal
vuldb·2026-08-05·CVSS 6.5
CVE-2026-7658 [MEDIUM] IBM Langflow OSS up to 1.10.3 Username path traversal
A vulnerability, which was classified as critical, was found in IBM Langflow OSS up to 1.10.3. The impacted element is an unknown function. Such manipulation of the argument Username leads to path traversal.
This vulnerability is referenced as CVE-2026-7658. It is possible to launch the attack remotely. No exploit is available.
GHSA
IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks.
ghsa_unreviewed·2026-08-05
CVE-2026-7658 [MEDIUM] CWE-22 IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks.
IBM Langflow OSS 1.0.0 through 1.10.3 does not properly validate the username field, allowing attackers to inject path traversal sequences and bypass containment checks. This enables multiple severe impacts, including arbitrary directory deletion, cross-tenant data destruction, and JWT signing key deletion leading to session invalidation.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-05
Published