---
cve: "CVE-2026-77850"
severity: "LOW"
cvss: 3.1
epss: "5.6%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-08-31 03:16:42"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T06:40:47+02:00"
---

# CVE-2026-77850

> 3.1 LOW

## Beschreibung

Stored Cross-site Scripting vulnerability in ash-project ash_admin executes attacker-supplied record content as script in an administrator's browser.

The relationship typeahead components AshAdmin.Components.Resource.RelationshipField and AshAdmin.Components.Resource.ManagedRelationshipSelectField highlight the matched search term by wrapping it in  tags and rendering the whole string with Phoenix.HTML.raw/1. The highlighted value is the destination record's label_field, ordinary database content that is often written by lower-privileged users. Because raw/1 disables output escaping for the entire string, a stored label such as  runs as JavaScript in the admin's session as soon as a matching record appears in the dropdown, giving the attacker the admin's privileges over everything AshAdmin exposes. The fix HTML-escapes the label before inserting the highlight markup.

This issue affects ash_admin: from 0.13.0 before 1.3.1.

## Patch verfügbar (OSV)

- 91da87c1c23cd6199ba1b0a1c8849a4c605130cc (Commit)
- 07289191ccdac27dd70ab7c6413ed057bc7fdade (Commit)

## Referenzen

- <https://cna.erlef.org/cves/CVE-2026-77850.html>
- <https://github.com/ash-project/ash_admin/commit/07289191ccdac27dd70ab7c6413ed057bc7fdade>
- <https://github.com/ash-project/ash_admin/security/advisories/GHSA-m23x-576h-73w8>
- <https://osv.dev/vulnerability/EEF-CVE-2026-77850>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-77850) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_