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CVE-2026-87099

Quick assessment

Affected
Acronis Acronis Cyber Protect 17
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

由于输入验证不当，导致跨站脚本（XSS）漏洞。受影响的产品包括：Acronis Cyber Protect 17（Linux 和 Windows 版本），版本早于构建号 42587。

AI Predicted 6.1 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-87099

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Cross-site scripting (XSS) vulnerability due to improper input validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Acronis Acronis Cyber Protect 17 unspecified ~ 42587 -

II. Public POCs for CVE-2026-87099

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-87099

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Other References for CVE-2026-87099 (1)

Same Patch Batch · Acronis · 2026-10-28 · 11 CVEs total

CVE-2026-87103 Acronis Cyber Protect 17 因令牌验证不当致信息泄露与篡改
CVE-2026-87880 Acronis Cyber Protect 17 缺失 SSL 验证致信息泄露
CVE-2026-87100 Acronis Cyber Protect 17 二进制加固缺失漏洞
CVE-2026-87101 Acronis Cyber Protect 17 令牌验证漏洞致敏感信息泄露
CVE-2026-87879 Acronis Cyber Protect 17 令牌验证不当致敏感信息泄露
CVE-2026-87098 Acronis Cyber Protect 17 授权不当致敏感信息泄露
CVE-2026-87878 Acronis Cyber Protect 17 Linux可执行栈漏洞
CVE-2026-87102 Acronis Cyber Protect 17 令牌验证漏洞
CVE-2026-87097 Acronis Cyber Protect 17 凭据保护不足导致敏感信息泄露
CVE-2025-30414 Acronis 本地提权漏洞（影响 42569 前版本）

IV. Related Vulnerabilities

Same product: Acronis Cyber Protect 17
Same vendor: Acronis
Same weakness: CWE-79