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CVE-2026-105403— ImageMagick before 7.1.2-31 Security Policy Bypass via Coder Domain

Quick assessment

Affected
ImageMagick ImageMagick
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.

在 ImageMagick 6.9.13-56 之前版本以及 7.x 7.1.2-31 之前版本中，当安全策略使用“coder”（编解码器）而非“module”（模块）作为其域时，存在安全策略绕过漏洞。攻击者可以提供特制的图像，以规避基于 coder 的策略限制，从而导致 ImageMagick 处理管理员本意希望阻止的格式。

CVSS 6.2 · Medium

Possible ATT&CK Techniques 1 AI

T1562.001

Affected Version Matrix 4

VendorProduct Version RangeStatus
ImageMagick ImageMagick < 7.1.2-31 affected
7.1.2-31 unaffected
< 6.9.13-56 affected
6.9.13-56 unaffected
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I. Basic Information for CVE-2026-105403

Vulnerability Information
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Vulnerability Title
ImageMagick before 7.1.2-31 Security Policy Bypass via Coder Domain
Source: CVE Program / CVE List V5
Vulnerability Description
ImageMagick before 6.9.13-56 and 7.x before 7.1.2-31 allows a security policy bypass when a policy uses coder, rather than module, as its domain. An attacker can supply a crafted image to evade coder-based policy restrictions, causing ImageMagick to process formats the administrator intended to block.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ImageMagick ImageMagick 0 ~ 7.1.2-31 -
ImageMagick ImageMagick 0 ~ 6.9.13-56 -

II. Public POCs for CVE-2026-105403

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III. Intelligence Information for CVE-2026-105403

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Vendor Advisories for CVE-2026-105403 (2)

Same Patch Batch · ImageMagick · 2026-10-08 · 13 CVEs total

CVE-2026-105824 5.9 MEDIUM ImageMagick before 7.1.2-30 Use-After-Free in RSVG Decoder Without Cairo
CVE-2026-105405 5.9 MEDIUM ImageMagick before 7.1.2-31 Invalid Memory Free in MVG Decoder
CVE-2026-105826 5.3 MEDIUM ImageMagick before 7.1.2-30 Security Policy Bypass via MAT Decoder
CVE-2026-105399 5.3 MEDIUM ImageMagick before 7.1.2-31 Denial of Service via MVG Decoder
CVE-2026-105825 5.3 MEDIUM ImageMagick before 7.1.2-30 Denial of Service via Crafted XMP Profile
CVE-2026-105404 5.3 MEDIUM ImageMagick before 7.1.2-31 Code Injection via PostScript Coders
CVE-2026-105827 5.3 MEDIUM ImageMagick before 7.1.2-30 Stack Overflow in CALS Decoder
CVE-2026-105401 5.3 MEDIUM ImageMagick before 7.1.2-31 Heap Buffer Overflow in Distributed Pixel Cache Server
CVE-2026-105400 5.3 MEDIUM ImageMagick before 7.1.2-31 Unclosed File Pointer via Magick Script
CVE-2026-105402 5.3 MEDIUM ImageMagick before 7.1.2-31 Denial of Service via XMP Profile Parsing
CVE-2026-105398 5.1 MEDIUM ImageMagick before 7.1.2-31 Heap Buffer Overflow via GetVirtualPixels API
CVE-2026-105823 4.0 MEDIUM ImageMagick before 7.1.2-31 Policy Bypass in CUT Encoder

IV. Related Vulnerabilities

Same product: ImageMagick
Same vendor: ImageMagick
Same weakness: CWE-863

V. Comments for CVE-2026-105403

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