Security Vulnerabilities
Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack proper checking for ownership before making changes. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.
CVSS Score
7.1
EPSS Score
0.0
Published
2026-01-28
Discourse is an open source discussion platform. Versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 have an application level denial of service vulnerabilityin the username change functionality at try.discourse.org. The vulnerability allows attackers to cause noticeable server delays and resource exhaustion by sending large JSON payloads to the username preference endpoint PUT /u//preferences/username, resulting in degraded performance for other users and endpoints. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.
CVSS Score
4.3
EPSS Score
0.0
Published
2026-01-28
Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, an endpoint lets any authenticated user bypass the ai_discover_persona access controls and gain ongoing DM access to personas that may be wired to staff-only categories, RAG document sets, or automated tooling, enabling unauthorized data disclosure. Because the controller also accepts arbitrary user_id, an attacker can impersonate other accounts to trigger unwanted AI conversations on their behalf, generating confusing or abusive PM traffic. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.
CVSS Score
5.4
EPSS Score
0.0
Published
2026-01-28
Discourse is an open source discussion platform. A vulnerability present in versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 affects anyone who uses S3 for uploads. While scripts may be executed, they will only be run in the context of the S3/CDN domain, with no site credentials. Versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0 fix the issue. As a workaround, disallow html or xml files for uploads in authorized_extensions. For existing html xml uploads, site owners can consider deleting them.
CVSS Score
4.6
EPSS Score
0.0
Published
2026-01-28
The issue was addressed with improved bounds checks. This issue is fixed in macOS Tahoe 26, Keynote 15.1, iOS 26 and iPadOS 26. Processing a maliciously crafted Keynote file may disclose memory contents.
CVSS Score
5.5
EPSS Score
0.0
Published
2026-01-28
An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 26.1 and iPadOS 26.1, Pages 15.1, macOS Tahoe 26.1. Processing a maliciously crafted Pages document may result in unexpected termination or disclosure of process memory.
CVSS Score
4.3
EPSS Score
0.0
Published
2026-01-28
LimeSurvey 4.3.10 contains a stored cross-site scripting vulnerability in the Survey Menu functionality of the administration panel. Attackers can inject malicious SVG scripts through the Surveymenu[title] and Surveymenu[parent_id] parameters to execute arbitrary JavaScript in administrative contexts.
CVSS Score
6.4
EPSS Score
0.0
Published
2026-01-28
CSS-based exfiltration of the content from partially encrypted emails when allowing remote content. This vulnerability affects Thunderbird < 147.0.1 and Thunderbird < 140.7.1.
CVSS Score
4.3
EPSS Score
0.0
Published
2026-01-28
A vulnerability was determined in D-Link DIR-615 4.10. Impacted is an unknown function of the file /adv_mac_filter.php of the component MAC Filter Configuration. This manipulation of the argument mac causes os command injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Score
7.2
EPSS Score
0.001
Published
2026-01-28
A vulnerability was found in D-Link DIR-615 4.10. This issue affects some unknown processing of the file /set_temp_nodes.php of the component URL Filter. The manipulation results in os command injection. The attack can be executed remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.
CVSS Score
7.2
EPSS Score
0.002
Published
2026-01-28