CVE-2026-8878
Possible ATT&CK Techniques 2AI
T1005 · Data from Local System T1213 · Data from Information RepositoriesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Securly | Securly Chrome Extension | ≤ 3.0.7 | affected |
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I. Basic Information for CVE-2026-8878
Vulnerability Information
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Vulnerability Title
CVE-2026-8878
Source: CVE Program / CVE List V5
Vulnerability Description
Version 3.0.7 of the Securly Chrome Extension exposes multiple publicly accessible endpoints that allow unauthenticated access to sensitive data. The exposed information consists of SHA-1 hashes that are inadequately obfuscated using a simple Caesar cipher, which can be easily reversed to recover the original hash values and access the protected data.
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
Securly Chrome Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Securly Chrome Extension是美国Securly公司的一款面向教育场景的网页过滤与学生在线安全管理浏览器扩展。 Securly Chrome Extension 3.0.7版本存在安全漏洞，该漏洞源于多个公开端点允许未授权访问敏感数据，可能导致数据泄露。
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 |
|---|---|---|---|---|
| Securly | Securly Chrome Extension | 0 ~ 3.0.7 | - |
II. Public POCs for CVE-2026-8878
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-8878 (1)
Same Patch Batch · Securly · 2026-06-03 · 7 CVEs total
| CVE-2026-8888 | CVE-2026-8888 | |
| CVE-2026-8879 | CVE-2026-8879 | |
| CVE-2026-8889 | CVE-2026-8889 | |
| CVE-2026-8874 | CVE-2026-8874 | |
| CVE-2026-8876 | CVE-2026-8876 | |
| CVE-2026-8881 | CVE-2026-8881 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-8878
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