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VulnerabilityPublished

CVE-2026-79723: IBM Langflow OSS · Server-Side Request Forgery (SSRF)

Affects IBM Langflow OSSSource CVE Database V5

0

Not known to be exploited · CVSS 5.0 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
5.0Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 10 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: 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 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMLangflow OSSAffected
  • >=1.0.0 <=1.11.5
Fixed in–

CPE configurations (2)

  • cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:langflow_oss:1.11.5:*:*:*:*:*:*:*

AI-suggested

Until an official fix is available, restrict access to the affected API endpoints to trusted users and monitor for suspicious activity related to SSRF attempts.

Description

IBM Langflow OSS versions 1.0.0 through 1.11.5 contain a server-side request forgery (SSRF) vulnerability that allows a remote authenticated attacker to obtain sensitive information by exploiting improper validation of user-controlled API endpoints. The vulnerability has a medium severity with a CVSS score of 5. No official patch or remediation details are provided in the available data.

References

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