MEDIUM 5.3 NVD
CVE-2026-91772
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 cr
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.
References
- https://github.com/halo-dev/halo
- https://github.com/halo-dev/halo/blob/v2.26.1/application/src/main/java/run/halo/app/core/
- https://github.com/halo-dev/halo/blob/v2.26.1/application/src/main/resources/extensions/ro
- https://github.com/halo-dev/halo/issues/10247
- https://www.vulncheck.com/advisories/halo-through-2.26.1-open-redirect-via-unvalidated-uri
This medium severity vulnerability with a CVSS score of 5.3 was published on 2026-09-15 via NVD.
vulnfeed aggregates 10822 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.