Bundesamt für Sicherheit in der Informationstechnik Open Source · Langflow: Mehrere Schwachstellen ermöglichen Codeausführung
Affects Bundesamt für Sicherheit in der Informationstechnik Open SourceSource GCVE Database
Public exploit available · CVSS 5.3 Medium · fixed in 1.8.4 : patch Bundesamt für Sicherheit in der Informationstechnik Open Source as a priority.
Data as of 27 Oct 2026, 01:07 UTC
- Patch
- Available – fixed in 1.8.4
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 3 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| langflow-ailangflow | Affected
| Fixed in– |
PyPIlangflowpkg:pypi/langflowOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Users should upgrade to Langflow version 1.8.4 or later, where these vulnerabilities have been fixed. No additional mitigation steps are indicated.
Description
Langflow, an open-source visual interface for building LLM-based applications, has multiple vulnerabilities that allow code execution. These flaws affect versions prior to and including 1.8.4. A fix is available in version 1.8.4.
References
- wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1337.json (opens in a new tab)
- wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1337 (opens in a new tab)
- euvd.enisa.europa.eu/enisa/EUVD-2026-26838 (opens in a new tab)
- euvd.enisa.europa.eu/enisa/EUVD-2026-26825 (opens in a new tab)
- github.com/advisories/GHSA-pprg-5xr3-4qr4 (opens in a new tab)