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CVE-2026-104309VulnerabilityPublished

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to obtain sensitive information due

Source GCVE Database

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Authoritative record:CVE-2026-104309· Medium 6.5

Not known to be exploited · CVSS 6.5 Medium.

Data as of 29 Oct 2026, 20:01 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.16.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMLangflow OSSAffected
  • >=1.0.0 <=1.12.3
Fixed in–

AI-suggested

Until a fix is available, restrict access to the affected IBM Langflow OSS versions to trusted users only and monitor for updates from IBM regarding patches or mitigations.

Description

IBM Langflow OSS versions 1.0.0 through 1.12.3 contain a vulnerability that allows a remote authenticated attacker to obtain sensitive information by exploiting improper limitation of a pathname to a restricted directory. This vulnerability is identified as CWE-22 (Path Traversal).

References

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