High severity · published Sep 17, 2025
CVE-2025-35432
CISA Thorium does not rate limit account verification email messages
7.5
CVSS
0.6%
EPSS
No
On KEV
Description
CISA Thorium does not rate limit requests to send account verification email messages. A remote unauthenticated attacker can send unlimited messages to a user who is pending verification. Fixed in 1.1.1 by adding a rate limit set by default to 10 minutes.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TH
Thorium · CISA
1.0.0 before 1.1.1 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-35432
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-35432
Patch
https://github.com/cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c#diff-bf9baa11b76cd169902a976bd17a5a6ee95a4098b2d3d150ba7d8f85b7e21dc9R281-R334
Release Notes
https://github.com/cisagov/thorium/releases/tag/1.1.1
Vendor Advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json
Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-35432
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