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CVE-2026-119644— Blossom through 1.17.1 Authorization Bypass via Picture Delete and Star Endpoints

Quick assessment

Affected
blossom-editor Blossom
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.

Blossom 1.17.1 及更早版本存在一个授权绕过漏洞，允许已认证的非只读用户通过提供任意图片 ID 来修改其他用户的图片。攻击者可调用图片删除接口（ ）、批量删除接口（ ）或收藏状态接口（ ），从而永久删除受害者的图片及存储文件，或篡改其收藏状态。

CVSS 5.4 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
blossom-editor Blossom ≤ 1.17.1 affected
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I. Basic Information for CVE-2026-119644

Vulnerability Information
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Vulnerability Title
Blossom through 1.17.1 Authorization Bypass via Picture Delete and Star Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated non-readonly users to modify other users' pictures by supplying arbitrary picture ids. Attackers can call the picture delete, /picture/del/batch, or /picture/star endpoints to permanently delete victims' images and stored files or change their star status.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
blossom-editor Blossom 0 ~ 1.17.1 -

II. Public POCs for CVE-2026-119644

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-119644

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Vendor Advisories for CVE-2026-119644 (1)

Proof of Concept for CVE-2026-119644 (1)

Vendor Pages for CVE-2026-119644 (1)

Other References for CVE-2026-119644 (3)

IV. Related Vulnerabilities

Same product: Blossom
Same vendor: blossom-editor
Same weakness: CWE-639