Vulnerability · Published Sep 24, 2026 · Assigned by VulDB
CVE-2026-97182halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java neutralization
High 7.3
In plain English
A high-severity improper input validation in Halo from halo-dev. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
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.
Affected products (as reported)
Weakness: CWE-707, CWE-20 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-409299 | halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java neutralization vdb-entry
- VDB-409299 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-97182 | CVE Analysis and Report third-party-advisory
- Submit #907507 | halo-dev Halo 2.15.0 through 2.25.4 Improper Neutralization of Special Elements used in an Expressio third-party-advisory
- https://note-hxlab.wetolink.com/share/jTI97vuXfcCY exploit