Vulnerability details

CVE-2026-7874

IBM Langflow OSS

Weak Cryptographic Key Derivation Exposed All Stored Credentials

CVSS 3.1

9.1Critical

Official description

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow disclosure of all stored credentials due to the use of a weak and reversible key derivation mechanism for encryption at rest.

CVSS scores

Score	Version	Source	Vector
9.1Critical	3.1	CVEProject cvelistV5 (CNA) (ibm)	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
IBM	Langflow OSS	1.0.0 ≤ v ≤ 1.10.0	CVEProject cvelistV5 (CNA)

References and advisories

https://www.ibm.com/support/pages/node/7278447 vendor-advisorypatch

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Details

Published: 2026-06-30
Last updated: 2026-07-02
State: Published
Assigner (CNA): ibm

Exploit prediction (EPSS)

0.27%

Probability of exploitation in 30 days

19.9%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: Yes
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-338
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)