Skip to content
Fencer Vulns
medium 6.5

CVE-2026-12767 json

Langflow is vulnerable to server-side request forgery due to missing egress validation on server-side URL fetches

published 2026-09-14 55 d ago modified 2026-11-03 5 d ago also EUVD-2026-78083

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 22%
public exploits
0
none known

Summary

IBM Langflow OSS 1.0.0 through 1.11.5 is vulnerable to server-side request forgery (SSRF). This may allow an unauthenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Patch / fix

  • langflow langflow 1.11.6

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
54 d ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • IBM Langflow OSS

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.