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CVE-2026-104051— PictShare < 3.7.1 Sensitive Information Disclosure via info API

Quick assessment

Affected
HaschekSolutions pictshare
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.

PictShare 3.7.1 之前的版本存在一个信息泄露漏洞，允许未认证的攻击者通过调用 API::info() 端点获取秘密的 delete_code 和上传者元数据。该端点返回完整的原始元数据对象，而没有进行字段白名单过滤。攻击者可以利用公开可见的文件哈希，通过 info API 检索 delete_code，然后调用 delete API 永久删除任意文件。同时，该漏洞还会泄露上传者的 IP 地址、User Agent、远程端口以及 SHA-1 哈希值，从而导致内容完整性、可用性以及上传者隐私的丧失。

CVSS 8.2 · High
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I. Basic Information for CVE-2026-104051

Vulnerability Information
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Vulnerability Title
PictShare < 3.7.1 Sensitive Information Disclosure via info API
Source: CVE Program / CVE List V5
Vulnerability Description
PictShare before 3.7.1 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the secret delete_code and uploader metadata by calling the API::info() endpoint which returns the complete raw metadata object without a field whitelist. Attackers can use the publicly visible file hash to retrieve the delete_code via the info API and then invoke the delete API to permanently delete arbitrary files, while also exposing uploader IP, User Agent, remote port, and SHA-1 hash, resulting in loss of content integrity, availability, and uploader privacy.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HaschekSolutions pictshare 2.0.0 ~ 3.7.1 -

II. Public POCs for CVE-2026-104051

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III. Intelligence Information for CVE-2026-104051

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Other References for CVE-2026-104051 (3)

IV. Related Vulnerabilities

Same product: pictshare
Same vendor: HaschekSolutions
Same weakness: CWE-522

V. Comments for CVE-2026-104051

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