CVE-2026-112105 in Passy
Summary
by MITRE • 10/19/2026
A vulnerability has been found in GlitterWare Passy up to 1.10.1. The affected element is the function MyHttpOverrides in the library lib/main.dart of the component TLS Handler. Such manipulation leads to improper certificate validation. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is described as difficult. Upgrading to version 1.10.2 is sufficient to fix this issue. The name of the patch is 3d48df7cce05e39fa4de1e42768492307f26882e. The affected component should be upgraded.
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Analysis
by VulDB Data Team • 10/19/2026
The vulnerability identified in GlitterWare Passy versions up to 1.10.1 represents a critical failure in the application's transport layer security implementation, specifically within the TLS Handler component. This flaw resides in the MyHttpOverrides function located in the lib/main.dart source file and results in improper certificate validation during secure network communications. In standard cryptographic operations, clients must rigorously verify that the server presents a valid digital certificate issued by a trusted Certificate Authority before establishing an encrypted session. The defect described indicates that this verification process is either bypassed or executed with insufficient checks, allowing the application to accept certificates from untrusted sources or invalid identities without raising appropriate security warnings. This type of failure fundamentally undermines the integrity and confidentiality guarantees provided by TLS protocols, leaving sensitive data transmissions vulnerable to interception and manipulation by malicious actors operating within the network path between the client and the server.
From a technical perspective, this vulnerability aligns with CWE-295 Improper Certificate Validation, which encompasses scenarios where software does not validate or incorrectly validates certificates against expected trust anchors. The operational impact of such a flaw is severe, as it effectively neutralizes man-in-the-middle attack defenses that rely on certificate pinning and validation to ensure the authenticity of the remote endpoint. An attacker with network access could exploit this weakness by intercepting traffic and presenting a self-signed or forged certificate. Since GlitterWare Passy handles sensitive user credentials and potentially other confidential data, successful exploitation would allow an adversary to decrypt communications, steal session tokens, or inject malicious payloads into the data stream without detection. The remote nature of the attack vector means that no local access or prior authentication is required for a network-capable attacker to attempt this exploit, significantly expanding the potential attack surface across any environment where the application operates with internet connectivity.
Despite the severity of the underlying cryptographic failure, the practical exploitation complexity is characterized as high and difficult. This suggests that while the validation logic is flawed, there may be additional mitigating factors or specific conditions required for a successful man-in-the-middle position to be established and maintained without alerting users or triggering other security controls. The difficulty in exploitability does not negate the risk but rather indicates that automated scanning tools might struggle to detect this issue through simple network probing alone. It likely requires an attacker with significant resources, such as control over DNS infrastructure or access to compromised intermediate networks, combined with sophisticated social engineering or technical setup to present a convincing fraudulent certificate chain. Nevertheless, relying on attack complexity for security is not a recommended practice in modern cybersecurity frameworks, particularly when the underlying vulnerability violates fundamental principles of secure communication defined by industry standards like ATT&CK technique T1557 Adversary-in-the-Middle.
To remediate this critical issue, immediate action must be taken to upgrade GlitterWare Passy to version 1.10.2 or later. The patch identified as commit hash 3d48df7cce05e39fa4de1e42768492307f26882e addresses the root cause by correcting the certificate validation logic within the MyHttpOverrides function, ensuring that all TLS handshakes properly verify server certificates against trusted roots. Organizations deploying this application should prioritize updating their client installations to eliminate the possibility of undetected credential theft or data exfiltration via compromised channels. In addition to applying the software update, administrators should consider implementing certificate pinning as an additional layer of defense to further restrict acceptable trust anchors and reduce reliance solely on standard PKI validation processes. Continuous monitoring for unusual network patterns associated with TLS handshake anomalies can also provide early warning indicators if similar vulnerabilities are discovered in future updates or related components within the application ecosystem.