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VulnerabilityPublished

CVE-2026-104315: IBM Langflow OSS 1.0.0 through 1.12.3 is vulnerable to server-side request forgery (SSRF)

Source GCVE Database

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Authoritative record:CVE-2026-104315· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 29 Oct 2026, 20:01 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (ibm)CVSS 3.14.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 29 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
IBMLangflow OSSAffected
  • >=1.0.0 <=1.12.3
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.

References

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