Vulnerability · Published Apr 30, 2026 · Assigned by mitre

CVE-2026-36758

Medium 4.3

In plain English

A medium-severity server-side request forgery in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 93.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A Server-Side Request Forgery (SSRF) in the /themes/-/install-from-uri endpoint of halo v2.22.14 allows authenticated attackers to scan internal resources via a crafted GET request.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/halo-dev/halo
https://github.com/Arron-bit/Vul_report/blob/main/halo/ssrf3/readme.md