CVE-2026-97182 halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java neutralization
Remote attackers can exploit improper neutralization in Halo's SpEL handler to execute arbitrary code, requiring immediate attention due to public exploit availability.
- 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-2026-97182?
CVE-2026-97182 is a medium-severity code injection vulnerability in halo-dev Halo, published on 24 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security vulnerability has been detected in halo-dev Halo up to 2.25.4/2.26.1. Affected is an unknown function of the file application/src/main/java/run/halo/app/content/comment/ReplyNotificationSubscriptionHelper.java of the component SpEL Handler. Such manipulation leads to improper neutralization. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-97182?
How do I fix CVE-2026-97182?
No fix has been published for CVE-2026-97182 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-97182 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-97182 exists.
Sources
Also known as GHSA-mpvm-cxq8-g78g.