CVE-2026-97182: halo-dev Halo SpEL ReplyNotificationSubscriptionHelper.java neutralization
Vulnerability summary
CVE-2026-97182 is a high (CVSS 7.5) Improper Input Validation vulnerability in halo-dev halo. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 31.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 6.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 24-09-2026PublishedVulnerability first disclosed.
- 24-09-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST5.5MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- NVDNIST7.3HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
- NVDNIST7.5HighAV:N/AC:L/Au:N/C:P/I:P/A:P
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.37% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (note-hxlab.wetolink.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-707Improper NeutralizationThe product does not ensure or incorrectly ensures that structured messages or data are well-formed and that certain security properties are met before being used when received from an upstream component, or before being sent to a downstream component.
Affected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Halo-dev1 product
- halo2.25.0 | 2.25.1 | 2.25.2 | 2.25.3 | 2.25.4 | 2.26.0 | 2.26.1
1 vendor · 1 product
References
5 links- vuldb.com/vuln/409299VDB Entry
- vuldb.com/cve/CVE-2026-97182Third Party Advisory
- vuldb.com/submit/907507Third Party Advisory