CVE-2026-55592
LowPublic exploitPrior to 4.3.7, Dashy's workspace view trusts the url query parameter and assigns it directly to an iframe source without scheme validation.
Published Jul 7, 2026 · Updated Aug 12, 2026 · Also known as GHSA-58mp-4qr3-vmrc
Key Facts
Routine patching- CVE-2026-55592 is a low-severity vulnerability (CVSS 3.9 v3.1) affecting dashy.
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 0.3% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
CVSS v3.1
3.9
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
EPSS (30-day exploit likelihood)
0.3%
Higher than 19.6% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
Dashy is a self-hostable personal dashboard. Prior to 4.3.7, Dashy's workspace view trusts the url query parameter and assigns it directly to an iframe source without scheme validation. If a logged-in user opens a crafted workspace link containing a javascript: URL, JavaScript runs on the Dashy origin and can read same-origin browser data, interact with the Dashy DOM, and send requests as the victim. This issue is fixed in version 4.3.7.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| dashy | >= < 4.3.7 | n/a |
Timeline
Publicly disclosed
Jul 7, 2026
Last updated
Aug 12, 2026
Weakness Type
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55592.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2026-55592
- otherhttps://github.com/lissy93/dashy/commit/4bc620e21cc8e3466f32b8bc40614b0d0eb5648b
- otherhttps://github.com/lissy93/dashy/releases/tag/4.3.7
- otherhttps://github.com/lissy93/dashy/security/advisories/GHSA-58mp-4qr3-vmrc
FAQ
Common Questions.
Dashy is a self-hostable personal dashboard.
Affected: dashy versions >= < 4.3.7. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: routine patching, as no exploitation is known and its severity is moderate or low.
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