Is there a public exploit for CVE-2026-104308?

No public exploit for CVE-2026-104308 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-104308?

CVE-2026-104308 scores CVSS 4.3 (v3.1), rated medium. EPSS puts the chance of exploitation in the next 30 days at 0.34%.

What does CVE-2026-104308 affect?

CVE-2026-104308 affects IBM Langflow OSS. It is part of the AI and agent stack (Langflow).

4.3 Medium

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper…

CVE-2026-104308

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to cause a denial of service due to improper neutralization of special elements used in an OS command.

Part of the AI stack

This affects Langflow, in Agent frameworks.

Assessment

CVSS: 4.3 (v3.1)
Severity: Medium
EPSS: 0.34% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 29 October 2026
Last updated: 4 November 2026
Affected: IBM · Langflow OSS
Weakness: CWE-78
Assigner: psirt@us.ibm.com

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

At the source

References

https://www.ibm.com/support/pages/node/7293015

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