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CVE-2026-81265VulnerabilityPublished

CVE-2026-81265: IBM Langflow OSS · Server-Side Request Forgery (SSRF)

Affects IBM Langflow OSSSource CVE Database V5

0

Not known to be exploited · CVSS 7.5 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
7.5High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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 2026-10-26.

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 a fix is available, limit exposure by restricting server outbound HTTP requests where possible.

Description

CVE-2026-81265 is a Server-Side Request Forgery (SSRF) vulnerability in IBM Langflow OSS versions 1.0.0 through 1.11.5. It allows an unauthenticated attacker to induce the server to make HTTP requests to arbitrary domains. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity with high confidentiality impact but no integrity or availability impact.

References

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