CVE-2026-81265: IBM Langflow OSS · Server-Side Request Forgery (SSRF)
Affects IBM Langflow OSSSource CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 26 Oct 2026, 06:26 UTC
- 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:NExploitation evidence
Disclosed: evidence found.
CVE published 10 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow OSS | Affected
| 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.