What is CVE-2025-35436?

CVE-2025-35436 is a medium-severity vulnerability in Cisa Thorium, classified under CWE-248. CVSS score: 5.3/10. Published 2025-09-17.

How severe is CVE-2025-35436?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisa Thorium

CVE-2025-35436

CISA Thorium uses '.unwrap()' to handle errors related to account verification email messages. An unauthenticated remote attacker could cause a crash by providing a specially crafted email address or response. Fixed in commit 6a65a27.

Published 2025-09-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.006 (44.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Cisa Thorium — versions 1.0.0, 6a65a27

Weakness classification (CWE)

CWE-248

References

9119a7d8-5eab-497f-8521-727c672e3725 (Patch)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)
9119a7d8-5eab-497f-8521-727c672e3725 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-35436?: CVE-2025-35436 is a medium-severity vulnerability in Cisa Thorium, classified under CWE-248. CVSS score: 5.3/10. Published 2025-09-17.
How severe is CVE-2025-35436?: Medium severity. CVSS v3 base score is 5.3 out of 10.