CVE-2026-88623 Server-side request forgery in n/a
Unauthenticated attackers can exploit an SSRF vulnerability in NUUO NVR to read arbitrary files via the url parameter in up.php.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-88623?
CVE-2026-88623 is a high-severity server-side request forgery vulnerability in n/a, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
NUUO Network Video Recorder 2.0.0 is vulnerable to arbitrary file read. In up.php, the url parameter submitted by the user via POST is received, and fopen() is used to open the URL in binary read-only mode. The content is then written to the /tmp/ directory, with the filename derived from basename() of the URL. This operation requires no authentication.
Weakness: CWE-552
Which versions are affected by CVE-2026-88623?
How do I fix CVE-2026-88623?
No fix has been published for CVE-2026-88623 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-88623 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-88623 exists.
Sources
Also known as GHSA-5fpg-2gxr-wp82.