Stored XSS vulnerability in Sentinel ACC

published 2026-03-27 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-16575

cvss: 6.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Thales Sentinel LDK Runtime on Windows allows Stored XSS.

This issue affects Sentinel LDK Runtime: before 10.22.

Patch / fix

fixed in 1

Thalesgroup Sentinel LDK Runtime 10.22

Vendor advisories

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

cisa vex VA-26-097-01 updated 2026-04-07 cvss 7.1

Thales Sentinel LDK Runtime Stored XSS

Thales Sentinel LDK Runtime <10.22
affected: vendor fix supportportal.thalesgroup.com
Thales Sentinel LDK Runtime 10.22
fixed: vendor fix supportportal.thalesgroup.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: 7 mo ago (2026-03-27)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	7.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:P
CNA	3.1	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N
CNA	4.0	7.0	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:L/SI:H/SA:N/E:P/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

Affected products

Thalesgroup Sentinel LDK Runtime

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

supportportal.thalesgroup.com /csm?id=kb_article_view&sys_kb_id=5c18186b478aa950128dca72e36d4391&sysparm_article=KB0027106
vendor-advisory

Sources

CVE List CVE-2026-3457
NVD CVE-2026-3457

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