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CVE-2026-41244— Mojic: Observable Timing Discrepancy in HMAC Verification

Quick assessment

Affected
notamitgamer mojic
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.

Mojic是Amit Dutta个人开发者的一款C语言代码混淆工具。 Mojic 2.1.4之前版本存在安全漏洞，该漏洞源于CipherEngine使用标准相等运算符验证HMAC-SHA256完整性密封，可能导致攻击者通过时序攻击绕过文件完整性检查。

CVSS 4.7 · Medium EPSS 0.15% · P4
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I. Basic Information for CVE-2026-41244

Vulnerability Information
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Vulnerability Title
Mojic: Observable Timing Discrepancy in HMAC Verification
Source: CVE Program / CVE List V5
Vulnerability Description
Mojic is a CLI tool to transform readable C code into an unrecognizable chaotic stream of emojis. Prior to 2.1.4, the CipherEngine uses a standard equality operator (!==) to verify the HMAC-SHA256 integrity seal during the decryption phase. This creates an Observable Timing Discrepancy (CWE-208), allowing a potential attacker to bypass the file integrity check via a timing attack. This vulnerability is fixed in 2.1.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过时间差异性导致的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Mojic 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mojic是Amit Dutta个人开发者的一款C语言代码混淆工具。 Mojic 2.1.4之前版本存在安全漏洞，该漏洞源于CipherEngine使用标准相等运算符验证HMAC-SHA256完整性密封，可能导致攻击者通过时序攻击绕过文件完整性检查。
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
notamitgamer mojic < 2.1.4 -

II. Public POCs for CVE-2026-41244

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III. Intelligence Information for CVE-2026-41244

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Vendor Advisories for CVE-2026-41244 (1)

IV. Related Vulnerabilities

Same weakness: CWE-208

V. Comments for CVE-2026-41244

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