[NEW] [medium] IBM Langflow Desktop: Vulnerability enables bypassing security measures and data manipulation

mediumCVE-2026-19875

A remote, anonymous attacker can exploit a vulnerability in IBM Langflow Desktop to bypass security measures and manipulate data.

CSIRTS triage

vendor: IBM product: Langflow Desktop Authentication bypassMisconfiguration

What: A vulnerability in IBM Langflow Desktop enables remote security bypass and data manipulation by unauthenticated attackers.
Who is affected: IBM Langflow Desktop instances accessible over the network are vulnerable.
Urgency: Medium severity; remote unauthenticated access to bypass security and manipulate data warrants timely remediation.
Action: Update IBM Langflow Desktop to a patched version or restrict network access for CVE-2026-19875.

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

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: medium
Published: 2026-08-20
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-2026-2855

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-2026-198750.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-19875	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

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

highCVE-2026-19875: IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator…nvd

Recent advisories for IBM Langflow Desktop

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.

high[NEW] [high] IBM Langflow Desktop: Vulnerability enables bypass of security measurescert-bund · 2026-08-14
high[NEW] [high] IBM Langflow Desktop: Multiple Vulnerabilitiescert-bund · 2026-08-06
high[UPDATE] [high] IBM Langflow Desktop: Multiple vulnerabilitiescert-bund · 2026-08-06
criticalexploited[NEW] [high] IBM Langflow Desktop OSS: Multiple vulnerabilitiescert-bund · 2026-08-05
high[NEW] [high] IBM Langflow Desktop: Multiple vulnerabilitiescert-bund · 2026-07-31
medium[NEW] [medium] IBM Langflow Desktop OSS: Vulnerability allows information disclosurecert-bund · 2026-07-31