CVE-2026-5682 Overview
A cryptographic vulnerability has been discovered in the Meesho Online Shopping App for Android, affecting versions up to 27.3. The vulnerability exists within an unknown function of the file /api/endpoint in the com.meesho.supply component. This weakness involves the use of a risky cryptographic algorithm, potentially compromising the confidentiality of sensitive data transmitted by the application.
Critical Impact
The use of weak cryptographic algorithms could allow remote attackers to intercept and decrypt sensitive user data, including personal information and transaction details transmitted through the e-commerce application.
Affected Products
- Meesho Online Shopping App for Android versions up to 27.3
- Component: com.meesho.supply
- Affected endpoint: /api/endpoint
Discovery Timeline
- April 6, 2026 - CVE-2026-5682 published to NVD
- April 7, 2026 - Last updated in NVD database
Technical Details for CVE-2026-5682
Vulnerability Analysis
This vulnerability falls under CWE-310 (Cryptographic Issues), indicating a fundamental weakness in the cryptographic implementation within the Meesho application. The vulnerability resides in the com.meesho.supply component and affects how the application handles cryptographic operations when communicating with its API endpoints.
The attack requires network access and involves a high level of complexity to exploit successfully. While the exploitability is considered difficult, the fact that exploit details have been disclosed publicly increases the risk profile. Successful exploitation could lead to limited confidentiality impact, potentially exposing sensitive user information transmitted through the application.
Root Cause
The root cause of this vulnerability is the implementation of a risky or outdated cryptographic algorithm within the application's supply chain component. This could include the use of deprecated encryption standards, weak key sizes, or improper cryptographic practices that fail to meet current security standards for mobile e-commerce applications.
Modern mobile applications handling financial transactions and personal data should implement strong cryptographic protocols such as TLS 1.3 with appropriate cipher suites. The use of legacy algorithms like MD5, SHA-1, DES, or RC4 can leave data vulnerable to known cryptanalytic attacks.
Attack Vector
The attack can be performed remotely over the network, though it requires a high level of technical complexity. An attacker positioned on the network path between the user and the Meesho servers (such as through a compromised Wi-Fi network or man-in-the-middle position) could potentially exploit the weak cryptographic implementation to intercept or manipulate communications.
The vulnerability's network-based attack vector combined with the need for no user interaction makes it particularly concerning for users on untrusted networks. However, the high complexity requirement means that casual attackers are unlikely to successfully exploit this vulnerability without significant technical expertise.
Detection Methods for CVE-2026-5682
Indicators of Compromise
- Unusual network traffic patterns from devices running the Meesho application
- Detection of deprecated cipher suites in TLS handshakes from the application
- Evidence of man-in-the-middle attacks targeting mobile device traffic
- Anomalous API calls to /api/endpoint with unexpected encryption parameters
Detection Strategies
- Monitor network traffic for the use of weak or deprecated cryptographic algorithms in application communications
- Implement mobile application security scanning to identify apps using vulnerable cryptographic implementations
- Deploy network-based detection to identify cleartext or weakly encrypted data that should be strongly encrypted
- Review mobile device management (MDM) logs for outdated application versions
Monitoring Recommendations
- Enable detailed logging on network security appliances to capture TLS handshake details
- Implement alerting for detection of weak cipher suites (DES, RC4, export-grade ciphers)
- Monitor for unusual data exfiltration patterns from mobile applications
- Track application version deployments across managed devices to identify vulnerable installations
How to Mitigate CVE-2026-5682
Immediate Actions Required
- Update the Meesho Online Shopping App to the latest available version beyond 27.3 when a patch is released
- Avoid using the affected application on untrusted or public Wi-Fi networks
- Consider temporarily uninstalling the application until a patched version is available
- Enable VPN protection when using the application to add an additional layer of encryption
Patch Information
At the time of publication, specific patch information from the vendor has not been publicly documented. Users should monitor the Google Play Store for application updates and check the VulDB vulnerability entry for the latest remediation guidance. Additional technical details may be available in the GitHub CVE Repository.
Workarounds
- Use a VPN when accessing the Meesho application to provide an additional encryption layer
- Limit sensitive transactions on the application until the vulnerability is patched
- Monitor account activity for any unauthorized transactions or suspicious behavior
- Consider using the web version of the service if it implements stronger cryptographic controls
# Verify installed app version on Android (using ADB)
adb shell dumpsys package com.meesho.supply | grep versionName
# If version <= 27.3, the app may be vulnerable
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
