CVE-2026-56267 | THREATINT

Description

Flowise before 3.0.13 contains an information exposure vulnerability in the POST /api/v1/account/forgot-password endpoint that returns full user objects including PII to unauthenticated attackers. An attacker can enumerate valid email addresses and harvest sensitive user data including user IDs, names, account status, and timestamps by sending requests with known email addresses.

PUBLISHED Reserved 2026-06-20 | Published 2026-06-20 | Updated 2026-06-22 | Assigner VulnCheck

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N

Problem types

Exposure of Sensitive Information to an Unauthorized Actor

Product status

Default status

unaffected

Any version before 3.0.13

affected

3.0.13 (semver)

unaffected

Credits

tenbbughunters reporter

References

github.com/...lowise/security/advisories/GHSA-jc5m-wrp2-qq38 exploit

github.com/...lowise/security/advisories/GHSA-jc5m-wrp2-qq38 (GHSA Advisory GHSA-jc5m-wrp2-qq38) vendor-advisory

www.vulncheck.com/...nauthenticated-forgot-password-endpoint (VulnCheck Advisory: Flowise - PII Disclosure via Unauthenticated Forgot Password Endpoint) third-party-advisory

cve.org (CVE-2026-56267)

nvd.nist.gov (CVE-2026-56267)

Download JSON