CVE-2026-55466— Snipe-IT: Stored XSS via inline-served attachment
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| grokability | snipe-it | < 8.6.2 | affected |
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I. Basic Information for CVE-2026-55466
Vulnerability Information
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Vulnerability Title
Snipe-IT: Stored XSS via inline-served attachment
Source: NVD (National Vulnerability Database)
Vulnerability Description
Snipe-IT is an IT asset/license management system. Prior to 8.6.2, UploadFileRequest sanitizes SVG content only when PHP finfo reports image/svg+xml and UploadedFilesController serves attachments inline without using StorageHelper::allowSafeInline(), allowing a low-privilege user to upload active XHTML or XML content that is later served same-origin and executes JavaScript in a viewer’s browser. This issue is fixed in version 8.6.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
Grokability Snipe-IT 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grokability Snipe-IT是Grokability公司开源的一套开源IT资产/许可证管理系统。 Grokability Snipe-IT 8.6.2之前版本存在跨站脚本漏洞，该漏洞源于UploadFileRequest仅在PHP finfo报告image/svg+xml时清理SVG内容，且UploadedFilesController在没有使用StorageHelper::allowSafeInline()的情况下内联提供附件，可能允许低权限用户上传活跃的XHTML或XML内容，这些内容随后
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 |
|---|---|---|---|---|
| grokability | snipe-it | < 8.6.2 | - |
II. Public POCs for CVE-2026-55466
| # | POC Description | Source Link | Shenlong Link |
|---|
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Patches & Fixes for CVE-2026-55466 (1)
Vendor Advisories for CVE-2026-55466 (1)
Vendor Pages for CVE-2026-55466 (1)
- 🔗 Release v8.6.2 · grokability/snipe-it · GitHubx_refsource_MISC
Same Patch Batch · grokability · 2026-07-10 · 18 CVEs total
| CVE-2026-54329 | 8.5 HIGH | Snipe-IT: Cross-Tenant Accessory Injection in Snipe-IT API |
| CVE-2026-55516 | 7.7 HIGH | Snipe-IT: Cross-company asset maintenance re-parenting via API update |
| CVE-2026-55460 | 7.1 HIGH | Snipe-IT: Authorization bypass on bulk editing users |
| CVE-2026-55469 | 6.5 MEDIUM | Snipe-IT: Path traversal vulnerability via CSV import `image` field |
| CVE-2026-55461 | 6.1 MEDIUM | Snipe-IT: Open Redirect After User Edit |
| CVE-2026-55475 | 5.7 MEDIUM | Snipe-IT: Import created_by can be overwritten |
| CVE-2026-55515 | 5.0 MEDIUM | Snipe-IT: Cross-company deletion of pending checkout acceptances via unscoped report endpo |
| CVE-2026-55472 | 4.3 MEDIUM | Snipe-IT: API Location Creation Bypasses FMCS Parent-Child Company Boundary Validation |
| CVE-2026-55462 | 4.3 MEDIUM | Snipe-IT: Authorization bypass on print inventory page |
| CVE-2026-55478 | Snipe-IT: Missing object-level authorization in Kits API | |
| CVE-2026-55474 | Snipe-IT: Directory traversal in displaySig | |
| CVE-2026-55452 | Snipe-IT: CSV formula injection in Activity Report export | |
| CVE-2026-55479 | Snipe-IT: Incorrect permission for legacy license checkin API | |
| CVE-2026-55464 | Snipe-IT: Stored XSS via Markdown custom field | |
| CVE-2026-55843 | Snipe-IT: Improper Privilege Management | |
| CVE-2026-55481 | Snipe-IT: CSS Injection via `header_color` Setting | |
| CVE-2026-55476 | Snipe-IT: Unauthorized Asset Request Cancellation via Unguarded cancel_by_admin Parameter |
IV. Related Vulnerabilities
Same product: snipe-it
- CVE-2026-55481
Snipe-IT: CSS Injection via `header_color` Setting - CVE-2026-55475
Snipe-IT: Import created_by can be overwritten - CVE-2026-55469
Snipe-IT: Path traversal vulnerability via CSV import `image - CVE-2026-55461
Snipe-IT: Open Redirect After User Edit - CVE-2026-55479
Snipe-IT: Incorrect permission for legacy license checkin AP
Same vendor: grokability
- CVE-2026-55481
Snipe-IT: CSS Injection via `header_color` Setting - CVE-2026-55475
Snipe-IT: Import created_by can be overwritten - CVE-2026-55469
Snipe-IT: Path traversal vulnerability via CSV import `image - CVE-2026-55461
Snipe-IT: Open Redirect After User Edit - CVE-2026-55479
Snipe-IT: Incorrect permission for legacy license checkin AP
Same weakness: CWE-79
- CVE-2026-45138
CI4MS: Stored XSS in Blog Content via Broken `html_purify` V - CVE-2026-16229
itsourcecode Courier Management System index.php cross site - CVE-2026-16220
code-projects Online Examination System account.php cross si - CVE-2026-16205
Pluck CMS Albums albums.admin.php htmlspecialchars_decode cr - CVE-2026-16203
SourceCodester Class and Exam Timetabling System forCYS.php
V. Comments for CVE-2026-55466
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