CVE-2026-104315: IBM Langflow OSS 1.0.0 through 1.12.3 is vulnerable to server-side request forgery (SSRF)
Source GCVE Database
Not known to be exploited · CVSS 4.3 Medium.
Data as of 29 Oct 2026, 20:01 UTC
Thin evidence
One scorer or none| CNA (ibm) | CVSS 3.1 | 4.3 |
|---|
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: 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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow OSS | Affected
| Fixed in– |
AI-suggested
Until a patch is available, restricting authenticated user capabilities and network access controls may help reduce risk.
Description
IBM Langflow OSS versions 1.0.0 through 1.12.3 contain a server-side request forgery (SSRF) vulnerability. An authenticated attacker could exploit this flaw to send unauthorized requests from the affected system, which may enable network enumeration or support further attacks. The vulnerability has a medium severity rating with a CVSS score of 4.3.