What is CVE-2025-62379?

CVE-2025-62379 is a low-severity vulnerability in Reflex-dev Reflex, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 3.1/10. Published 2025-10-15.

How severe is CVE-2025-62379?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2025-62379 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Reflex-dev Reflex

CVE-2025-62379

Reflex is a library to build full-stack web apps in pure Python. In versions 0.5.4 through 0.8.14, the /auth-codespace endpoint automatically assigns the redirect_to query parameter value directly to client-side links without any validatio…

Vulnerability class: Open Redirect

EPSS: 0.002 (13.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Reflex-dev Reflex — versions >= 0.5.4, < 0.8.15

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-62379?: CVE-2025-62379 is a low-severity vulnerability in Reflex-dev Reflex, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 3.1/10. Published 2025-10-15.
How severe is CVE-2025-62379?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-62379 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.