CVE-2026-3466Disclosure(checkmk / checkmk)

LOWCVSS 5.4 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0 allows an attacker with dashboard creation privileges to perform stored cross-site scripting (XSS) attacks by tricking a victim into clicking a crafted dashlet title link on a shared dashboard.

checkmk CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories

Other references

https://checkmk.com/werk/19583

Weakness type (CWE)

CWE-79

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

checkmk

Threat summary

2 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 2 classified signals
Peaked 1d ago at 1 mentions (2026-04-07); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

checkmk

Products

checkmk

4 versions affected across 1 product

Deep dive

Activity timeline2 mentions / 2d

Signal classification1 categories

Disclosure

2100.0%

Referenced assets2 URLs

By indicator

Full discourse2 posts

CVE@CVEnew172d
Disclosure
CVE-2026-3466 Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta… https://www.cve.org/CVERecord?id=CVE-2026-3466
Post summary
The brief entry announces CVE‑2026‑3466 as an insufficient sanitization issue in Checkmk, noting affected versions but providing no PoC, exploit code, patch, or exploitation evidence.
00000174
57.2K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds184d
Disclosure
CVE-2026-3466 Stored Cross-Site Scripting in Checkmk Dashboard Dashlet Title Links https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-3466
Post summary
The post announces a stored XSS vulnerability (CVE‑2026‑3466) in Checkmk Dashboard dashlet title links, providing only basic technical details without evidence of a PoC, known exploit, or available patch.
0000043
4.0K followersView on X

CPE platform detail142 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

142 of 142 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.2.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.3.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.4.0	-	-
App	checkmk	checkmk	2.5.0	-	-
App	checkmk	checkmk	2.5.0	-	-

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