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CVE-2026-55542— Snipe-IT's S3 signature image retrieval lacks authorization before temporary URL

Quick assessment

Affected
grokability snipe-it
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.

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 8.6.1之前版本存在授权问题漏洞，该漏洞源于S3签名图像检索在临时URL前缺乏授权，可能导致已认证用户通过已知签名文件名获得5分钟的有效签名S3 URL。

AI Predicted 5.3 Difficulty: Easy EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
grokability snipe-it < 8.5.1 affected
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I. Basic Information for CVE-2026-55542

Vulnerability Information
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Vulnerability Title
Snipe-IT's S3 signature image retrieval lacks authorization before temporary URL
Source: CVE Program / CVE List V5
Vulnerability Description
Snipe-IT is an IT asset/license management system. Prior to version 8.6.1, Snipe-IT S3 signature image retrieval lacks authorization before temporary URL. On S3-backed deployments, authenticated users who know a signature filename can obtain a 5-minute signed S3 URL because the S3 branch returns before the `authorize()` call used by the local-file branch. Version 8.6.1 contains a patch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Grokability Snipe-IT 授权问题漏洞
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 8.6.1之前版本存在授权问题漏洞，该漏洞源于S3签名图像检索在临时URL前缺乏授权，可能导致已认证用户通过已知签名文件名获得5分钟的有效签名S3 URL。
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 < 8.5.1 -

II. Public POCs for CVE-2026-55542

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III. Intelligence Information for CVE-2026-55542

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Patches & Fixes for CVE-2026-55542 (1)

Vendor Advisories for CVE-2026-55542 (1)

IV. Related Vulnerabilities

Same product: snipe-it
Same vendor: grokability
Same weakness: CWE-862

V. Comments for CVE-2026-55542

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