146 matches found
CVE-2026-63208 Zammad: Microsoft Graph error logs expose partially masked OAuth access tokens
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph request fails, Zammad logs the error including the authentication token used to access the mailbox. The system attempts to hide this token in the log, but the masking is incomplete: for the...
CVE-2026-63208 Zammad: Microsoft Graph error logs expose partially masked OAuth access tokens
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph request fails, Zammad logs the error including the authentication token used to access the mailbox. The system attempts to hide this token in the log, but the masking is incomplete: for the...
CVE-2026-63208
The open source helpdesk system Zammad is vulnerable to sensitive information disclosure in versions prior to 7.1.2 . When a Microsoft Graph request fails, the system logs the authentication token with incomplete masking. Specifically, for JWT formats, only the first part is hidden, leaving the r...
CVE-2026-63208 Zammad: Microsoft Graph error logs expose partially masked OAuth access tokens
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph request fails, Zammad logs the error including the authentication token used to access the mailbox. The system attempts to hide this token in the log, but the masking is incomplete: for the...
CVE-2026-63208: Improper Encoding or Escaping of Output
Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when a Microsoft Graph request fails, Zammad logs the error including the authentication token used to access the mailbox. The system attempts to hide this token in the log, but the masking is incomplete: for the...
PT-2026-99080
Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.1.2 Description When creating or updating an email signature, the system processes inline images in the signature body. If an HTML img tag points to an existing attachment, the system copies that attachment into a ne...
PT-2026-99083
Name of the Vulnerable Software and Affected Versions Zammad versions prior to 7.1.2 Description When a Microsoft Graph request fails, the system logs the error including the authentication token used to access the mailbox. Although the system attempts to mask the token, the process is incomplete...
Unmasking EvilTokens: Getting to the root of device code phishing
In this article 1. What is device code phishing? 2. EvilTokens platform and operations 3. EvilTokens phishing emails 4. Mitigation and protection guidance 5. Microsoft Defender XDR detections 6. Hunting queries Following its emergence in February 2026, EvilTokens quickly became one of the most...
EUVD-2026-77379
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...
PT-2026-91140
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.7, 10.11.x = 10.11.22 fail to validate null entries in Microsoft Graph webhook notification payloads, which allows an unauthenticated attacker to crash the Microsoft Calendar plugin process and deny calendar integration service t...
Passkey-themed social engineering leads to identity and cloud compromise
In this article 1. Attack chain overview 2. Attribution 3. Mitigation and protection guidance 4. Learn more Microsoft Security Research is tracking active cloud-based intrusions spanning multiple accounts in which unusual sign-ins were followed by threat actor-added authentication methods,...
CVE-2026-49159
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network...
CVE-2026-49159
Technical details about CVE-2026-49159 are not publicly available in the provided documents. No vendor-specific impact, affected products, or remediation details are included. Monitor for updates from the sources.
EUVD-2026-48456
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network...
CVE-2026-49159
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network...
CVE-2026-49159 Microsoft Graph Information Disclosure Vulnerability
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CVE-2026-49159 Microsoft Graph Information Disclosure Vulnerability
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CVE-2026-49159: Exposure of Sensitive Information to an Unauthorized Actor
Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network...
