PatchSiren cyber security CVE debrief
CVE-2026-22077 OPPO CVE debrief
## Summary CVE-2026-22077 describes a trusted domain validation flaw in the OPPO Wallet application that enables attackers to bypass protected interface access restrictions. The vulnerability may result in account token hijacking and sensitive information disclosure. The issue carries a CVSS 4.0 score of 5.6 (MEDIUM severity) and was published on April 27, 2026, with a subsequent modification on May 19, 2026. The vulnerability is classified under CWE-346 (Origin Validation Error).
- Vendor
- OPPO
- Product
- OPPO Wallet APP
- CVSS
- MEDIUM 5.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-04-27
- Original CVE updated
- 2026-05-19
- Advisory published
- 2026-04-27
- Advisory updated
- 2026-05-19
Who should care
Organizations with employees using OPPO Wallet for business transactions, mobile application security teams, financial services relying on OPPO device ecosystems, and security operations centers monitoring for mobile banking fraud indicators.
Technical summary
The vulnerability stems from improper origin validation (CWE-346) in the OPPO Wallet application. The trusted domain validation flaw allows attackers to circumvent protected interface access controls. Successful exploitation could enable account token hijacking, potentially granting unauthorized access to user accounts, and disclosure of sensitive information. The attack requires local access with user interaction, indicating a likely scenario involving malicious applications or crafted links that exploit the application's trust model. The high attack complexity and local attack vector suggest exploitation may involve sophisticated manipulation of application components or inter-process communication mechanisms.
Defensive priority
medium
Recommended defensive actions
- Review and apply security updates for OPPO Wallet APP as provided by OPPO
- Implement network segmentation to limit exposure of mobile wallet applications
- Monitor for anomalous authentication token usage patterns
- Validate origin headers and implement strict domain whitelisting for protected interfaces
- Conduct security assessment of mobile application deep linking and intent handling mechanisms
Evidence notes
The vulnerability description originates from the NVD record, which references an official OPPO security notice. The CVSS 4.0 vector indicates local attack vector with high attack complexity, requiring no privileges but user interaction. The confidentiality impact is rated HIGH while integrity and availability impacts are NONE. The vendor attribution to OPPO is derived from the reference domain and security notice source.
Official resources
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CVE-2026-22077 CVE record
CVE.org
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CVE-2026-22077 NVD detail
NVD
-
Source item URL
nvd_modified
- Source reference
OPPO published a security notice regarding this vulnerability. The NVD entry reflects this disclosure with a status of 'Deferred'.