Remote Code Execution Vulnerability in CISA Thorium Email Handling
CVE-2025-35436

6.9MEDIUM

Key Information:

Vendor

Cisa

Status
Thorium
Vendor
CVE Published:
17 September 2025

What is CVE-2025-35436?

CISA Thorium has a vulnerability in its handling of account verification email messages, where the '.unwrap()' method may be improperly utilized. An unauthenticated remote attacker can exploit this flaw by sending a specially crafted email address, potentially leading to application crashes. This issue has been addressed in the recent commit 6a65a27.

Affected Version(s)

Thorium 1.0.0 < 6a65a27

Thorium 6a65a27

References

https://github.com/mjcarson/thorium/commit/6a65a2711fb238...
https://www.cve.org/CVERecord?id=CVE-2025-35436
https://raw.githubusercontent.com/cisagov/CSAF/develop/cs...

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

, OpenAI Security Research
.
CVE-2025-35436 : Remote Code Execution Vulnerability in CISA Thorium Email Handling