HIGH🇬🇧 English

CVE-2026-31834

CVSS 7.2v3.1pub. 2026-03-10upd. 2026-03-18

Umbraco is an ASP.NET CMS. From 15.3.1 to before 16.5.1 and 17.2.2, A privilege escalation vulnerability has been identified in Umbraco CMS. Under certain conditions, authenticated backoffice users with permission to manage users, may be able to elevate their privileges due to insufficient authorization enforcement when modifying user group memberships. The affected functionality does not properly validate whether a user has sufficient privileges to assign highly privileged roles. This vulnerability is fixed in 16.5.1 and 17.2.2.

oryginał EN
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
  • Umbraco Cms

    APP
    Umbraco
    15.3.1 – 16.5.1 (bez)17.0.0 – 17.2.2 (bez)
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ZWERYFIKUJ U PRODUCENTA
Brak jednoznacznych danych o patchu. Sprawdź referencje od producenta.
Tagi
LPE
CWE
Referencje

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