CVE-2026-91772 — Halo through 2.26.1 Open Redirect via Unvalidated URI Parameter
Halo through 2.26.1 contains an open redirect vulnerability in the anonymous thumbnail endpoint that fails to validate the uri query parameter. Attackers can craft malicious lin…
Published: 2026-09-15 · CVSS: 5.3 · CVSS 4.0
Halo through 2.26.1 contains an open redirect vulnerability in the anonymous thumbnail endpoint that fails to validate the uri query parameter. Attackers can craft malicious links on the trusted Halo domain that redirect visitors to arbitrary external sites, enabling phishing attacks and abuse of redirect-based trust relationships.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7