CVE-2026-0888

MEDIUM
2026-01-13 [email protected]
5.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

Lifecycle Timeline

3
Patch Released
Apr 09, 2026 - 14:30 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 13, 2026 - 14:16 nvd
MEDIUM 5.3

Tags

Information Disclosure Thunderbird Firefox Redhat Suse

Description

Information disclosure in the XML component. This vulnerability affects Firefox < 147 and Thunderbird < 147.

Analysis

Firefox and Thunderbird versions before 147 contain an information disclosure vulnerability in their XML processing component that allows unauthenticated attackers to access sensitive data over the network with minimal attack complexity. The vulnerability requires no user interaction and affects the confidentiality of information without impacting system integrity or availability. …

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Remediation

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review data exposure and access controls.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

Vendor Status

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CVE-2026-0888 vulnerability details – vuln.today
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