# PendingIntent grants unintended mutable or replayable authority

A recipient can alter or reuse a delegated action beyond its intended destination, parameters or lifetime.

**Candidate CWE:** [CWE-863](https://cwe.mitre.org/data/definitions/863.html)

## Test hypothesis

Obtain a token through a supported test-app interaction. Compare its intended action with one harmless altered field or repeat of a documented single-use action.

## Evidence required

How the attacker receives the token, creation flags, mutable fields, expected lifetime and demonstrated unauthorized action.

## Rule out false positives

Mutable or reusable PendingIntents can be intentional. Flag absence alone does not show abuse; the receiver may enforce the required policy.

## Playbook and command references

- [Android components, intents and deep links](https://bug-bounty-field-manual.kmahshooq.chatgpt.site/modules/android-components.html) — Trace ordinary-app inputs through exported components, URI grants and links to one protected operation.

[Find the associated command snippets](https://bug-bounty-field-manual.kmahshooq.chatgpt.site/commands.html?q=Android%20components%2C%20intents%20and%20deep%20links)

## Referenced by these target playbooks

[Mobile](https://bug-bounty-field-manual.kmahshooq.chatgpt.site/mobile.html)

## Report checklist

- [ ] Capture the affected version, configuration, identities, and object ownership.
- [ ] Preserve a valid baseline and a negative control.
- [ ] Reproduce the forbidden data access, action, or state change on controlled fixtures.
- [ ] Explain the intended security rule and why the observed behavior violates it.
- [ ] State prerequisites, uncertainty, cleanup, and the smallest demonstrated impact.

## Conditional ATT&CK mapping

No direct ATT&CK mapping selected. Record the weakness and demonstrated impact without forcing an adversary-behavior classification. See the [mapping guide](https://bug-bounty-field-manual.kmahshooq.chatgpt.site/attack.html).

## Primary references

- [PendingIntent risks](https://developer.android.com/privacy-and-security/risks/pending-intent)

[Back to the complete vulnerability catalog](https://bug-bounty-field-manual.kmahshooq.chatgpt.site/vulnerabilities.html)