[NEW] [high] IBM Langflow Desktop OSS: Multiple vulnerabilities

CSIRTS triage

What

Multiple vulnerabilities in IBM Langflow Desktop OSS can lead to administrative privilege escalation, arbitrary code execution, security bypass, data manipulation, disclosure, or Denial of Service.

Who is affected

Users of IBM Langflow Desktop OSS are affected by these vulnerabilities.

Urgency

Remediation is high priority due to the variety of potential impacts including privilege escalation and code execution.

Action

Update to the latest version of IBM Langflow Desktop OSS to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

high

Published

2026-07-20

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2410

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-76670.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-77540.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
• Low exploitation riskCVE-2026-77550.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all scored CVEs.
• Low exploitation riskCVE-2026-78720.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all scored CVEs.
• Low exploitation riskCVE-2026-80560.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
• Low exploitation riskCVE-2026-84760.49% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all scored CVEs.
• Low exploitation riskCVE-2026-84810.46% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 37% of all scored CVEs.
• Low exploitation riskCVE-2026-85050.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.
• Low exploitation riskCVE-2026-86350.30% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 22% of all scored CVEs.
• Low exploitation riskCVE-2026-88590.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 30% of all scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownNCSC-2026-0251 [1.00] [M/H] Vulnerabilities fixed in IBM Langflow OSSncsc-nl
• criticalCVE-2026-8859: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow an attacker to write arbitrary files…nvd
• criticalCVE-2026-8635: IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to escalate privileges to supe…nvd
• criticalCVE-2026-8505: IBM Langflow OSS 1.0.0 through 1.10.0 has a vulnerability in Langflow's webhook authentication …nvd
• criticalCVE-2026-8481: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in…nvd
• criticalCVE-2026-8476: IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in…nvd
• highCVE-2026-8056: IBM Langflow OSS 1.0.0 through 1.10.0 allows authenticated users to override component paramete…nvd
• highCVE-2026-7872: IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to read arbitrary files …nvd
• highCVE-2026-7755: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incompl…nvd
• highCVE-2026-7754: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow 1.9.0 could allow server-side request forgery (S…nvd
• highCVE-2026-7667: IBM Langflow OSS 1.0.0 through 1.10.0 allows an authenticated attacker to create a malicious fl…nvd
• criticalCVE-2026-9135: IBM Langflow OSS 1.0.0 through 1.10.0 Langflow versions up to 1.9.2 (commit 94981c443d4918517b9…nvd

Recent advisories for IBM Langflow Desktop OSS

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• medium[NEW] [medium] IBM Langflow Desktop OSS: Vulnerability allows information disclosurecert-bund · 2026-07-31

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