CVE-2025-70886
Quick assessment
Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Halo是Halo开源的一个强大易用的开源建站工具。 halo 2.22.4及之前版本存在安全漏洞，该漏洞源于公开评论提交端点存在缺陷，可能导致远程攻击者通过特制有效载荷触发拒绝服务。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-70886
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Halo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Halo是Halo开源的一个强大易用的开源建站工具。 halo 2.22.4及之前版本存在安全漏洞，该漏洞源于公开评论提交端点存在缺陷，可能导致远程攻击者通过特制有效载荷触发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | n/a | n/a | - |
|
II. Public POCs for CVE-2025-70886
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | A Proof of Concept (PoC) exploit for CVE-2025-70886, a persistent denial-of-service vulnerability in Halo CMS (v2.22.4 and earlier) that allows remote attackers to crash the admin comment interface by submitting malformed payloads. | https://github.com/HowieHz/CVE-2025-70886 | POC Details |
AI-Generated POC
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Same Patch Batch · n/a · 2026-02-12 · 22 CVEs total
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| CVE-2026-2004 | 8.8 HIGH | PostgreSQL intarray missing validation of type of input to selectivity estimator executes |
| CVE-2026-2007 | 8.2 HIGH | PostgreSQL pg_trgm heap buffer overflow writes pattern onto server memory |
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| CVE-2025-70981 | FIT2CLOUD CordysCRM 安全漏洞 | |
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IV. Related Vulnerabilities
V. Comments for CVE-2025-70886
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