CVE-2026-90991

VendorlangflowProductlangflowDiscoveredOct 29, 2026UpdatedOct 30, 2026

IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to cause a denial of service due to allocation of resources without limits or throttling.

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CVSS v3.1

6.5 MEDIUM

EPSS

—%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityNONE

IntegrityNONE

AvailabilityHIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Connections

2 relationships

CWE-770

source

Timeline

disclosure → media coverage

Oct 29, 2026

Disclosure — published as a CVE record.