Improper input validation in Halo-Dev Halo
CVE-2026-97182
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (31.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 31.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Halo-Dev Halo — versions 2.25.0, 2.25.1, 2.25.2
Weakness classification (CWE)
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)
- note-hxlab.wetolink.com/share/jTI97vuXfcCY (exploit)
Frequently asked questions
- What is CVE-2026-97182?
- CVE-2026-97182 is a high-severity vulnerability in Halo-Dev Halo, classified under Improper Input Validation. CVSS score: 7.3/10. Published 2026-09-24.
- How severe is CVE-2026-97182?
- High severity. CVSS v3 base score is 7.3 out of 10.