What’s Vulnerable › Vulnerabilities

CVE-2026-42158: Flowsint: Broken Access Control allows modification of investigation metadata from any user

• Severity: low (CVSS 2.3 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-12 · updated 2026-10-26
• Weakness: CWE-284

Description

Flowsint is an open-source OSINT graph exploration tool designed for cybersecurity investigation, transparency, and verification. Prior to 1.2.3, an adversary with knowledge of an investigation ID, could update the metadata of an investigation of another user. This vulnerability is fixed in 1.2.3.

Affected products

• reconurge flowsint: before 1.2.3

References

• https://github.com/reconurge/flowsint/security/advisories/GHSA-5h6v-5hv3-3jjw
• https://github.com/reconurge/flowsint/security/advisories/GHSA-5h6v-5hv3-3jjw

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