CISA Thorium does not properly invalidate previously used tokens

published 2025-09-17 13 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-29735

cvss: 5.0; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

CISA Thorium does not properly invalidate previously used tokens when resetting passwords. An attacker that possesses a previously used token could still log in after a password reset. Fixed in 1.1.1.

Patch / fix

fixed in 1 links 2

CISA Thorium 1.1.1

github.com/cisagov/thorium@7c94a0b commit
github.com/cisagov/thorium/releases/tag/1.1.1 release

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa vex VA-25-259-01 updated 2025-09-16 cvss 5.0

CISA Thorium multiple vulnerabilities

CISA Thorium >=1.0.0, <1.1.1
affected: vendor fix
CISA Thorium 1.1.1
fixed: vendor fix github.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 13 mo ago (2025-09-30)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.0	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	4.0	2.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	4.0	2.3	CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

CISA Thorium

Classification

Weakness

CWE-613 DEPRECATED: Insufficient Session Expiration

References

github.com /cisagov/thorium/commit/7c94a0b9bc2dc55e0c307360452f348bac06820c#diff-57a8b13962b268bcc3690df0f6c0d6ddeca7cbc7
patch
raw.githubusercontent.com /cisagov/CSAF/develop/csaf_files/IT/white/2025/va-25-259-01.json
vendor-advisory
github.com /cisagov/thorium/releases/tag/1.1.1
release-notes
cve.org /CVERecord?id=CVE-2025-35433
third-party-advisory

Sources

CVE List CVE-2025-35433
NVD CVE-2025-35433

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary