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Github Security Blog
Github Security Blog
added 2026/05/22 12:31 a.m.16 views

Concrete CMS is vulnerable to IDOR in AddMessage/UpdateMessage

Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments parameter which can lead to file permission bypass. The AddMessage and UpdateMessage conversation controllers accept user-supplied file attachment IDs and load files directly via $em-findFile::class,...

4.3CVSS5.7AI score0.00288EPSS
SaveExploits0References3Affected Software1
Snyk
Snyk
added 2026/05/22 12:31 a.m.7 views

Authorization Bypass Through User-Controlled Key

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key in the AddMessage and UpdateMessage process via the attachments parameter. An attacker can bypass file permission restrictions by...

4.3CVSS5.8AI score0.00288EPSS
SaveExploits0References2
OSV
OSV
added 2026/05/22 12:31 a.m.16 views

GHSA-VPGR-CWFX-PWFW Concrete CMS is vulnerable to unauthenticated page metadata disclosure

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated page metadata disclosure across every page with a configured summary template, revealing the existence of private, draft, and restricted pages while leaking title, path, description, and author information...

6.3CVSS5.9AI score0.00195EPSS
SaveExploits0References3
Positive Technologies
Positive Technologies
added 2026/05/22 12:00 a.m.19 views

PT-2026-42718

Name of the Vulnerable Software and Affected Versions The product name cannot be determined affected versions not specified Description Certain crafted inputs allow the creation of an ed25519.PrivateKey by casting malformed wire bytes, which results in a panic when the key is used. A panic is an...

5.3CVSS5.8AI score0.00412EPSS
SaveExploits0
CNNVD
CNNVD
added 2026/05/22 12:00 a.m.16 views

Google Go 安全漏洞

Google Go is a static, strongly typed, compiled, concurrent programming language with garbage collection features from the American company Google. There is a security vulnerability in Google Go, which stems from creating ed25519.PrivateKey by forced conversion of format-errorsed bytes in the...

5.3CVSS5.8AI score0.00412EPSS
SaveExploits0References5
Packet Storm News
Packet Storm News
added 2026/05/22 12:00 a.m.17 views

Unlocking Apple's Private Cloud Compute: An Analysis of Privacy-Preserving Artificial Intelligence

Many existing Artificial Intelligence AI solutions on mobile devices rely on an extensive collection of sensitive data, raising privacy concerns and often requiring storage for both context and model improvement. Apple's Private Cloud Compute PCC aims to address this by emphasizing mobile device...

5.8AI score
SaveExploits0
CNNVD
CNNVD
added 2026/05/22 12:00 a.m.15 views

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in versions of Mattermost 11.6.0 and earlier 11.6.x series, as well as versions prior to 11.5.3 11.5.x series, 11.4.4 and earlier 11.4.x series, and 10.11.14 and earlier 10.11.x...

5.4CVSS5.8AI score0.00138EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
added 2026/05/22 12:00 a.m.40 views

PT-2026-42799

Name of the Vulnerable Software and Affected Versions Mattermost version 11.6.0 Mattermost version 11.5.3 Mattermost version 11.4.4 Mattermost version 10.11.14 Description An issue exists where the software fails to validate the OAuth token scope during the callback process. This allows an...

5.4CVSS5.8AI score0.00138EPSS
SaveExploits0
Tenable Nessus
Tenable Nessus
added 2026/05/22 12:00 a.m.15 views

Unity Linux 20.1060e / 20.1070e Security Update: bouncycastle (UTSA-2026-016627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016627 advisory. Bouncy Castle BC Java before 1.66, BC C .NET before 1.8.7, BC-FJA before 1.0.1.2, 1.0.2.1, and BC-FNA before 1.0.1.1 have a timing issue within the EC math library...

5.9CVSS6.8AI score0.01522EPSS
SaveExploits0References4
Tenable Nessus
Tenable Nessus
added 2026/05/22 12:00 a.m.13 views

Linux Distros Unpatched Vulnerability : CVE-2026-3074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.7 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have...

4.3CVSS5.6AI score0.00199EPSS
SaveExploits0References2
Positive Technologies
Positive Technologies
added 2026/05/22 12:00 a.m.23 views

PT-2026-42820

TypeBot is a chatbot builder tool. In versions 3.15.2, the getLinkedTypebots API endpoint returns full bot definitions to any authenticated user who references a target bot ID in a Typebot Link block, regardless of workspace ownership, leading to IDOR. The authorization check uses Array.filter wi...

6.5CVSS5.8AI score0.00256EPSS
SaveExploits0References3
Positive Technologies
Positive Technologies
added 2026/05/22 12:00 a.m.20 views

PT-2026-42802

TypeBot is a chatbot builder tool. In versions prior to 3.16.0, SSRF protection for Webhook / HTTP Request blocks validates only the URL string, blocked hostname literals, and literal IP formats. It does not resolve DNS before allowing the request. As a result, a hostname such as ssrf-repro.examp...

7.6CVSS5.8AI score0.00239EPSS
SaveExploits2References3
UbuntuCve
UbuntuCve
added 2026/05/22 12:00 a.m.21 views

CVE-2026-46598

For certain crafted inputs, a 'ed25519.PrivateKey' was created by casting malformed wire bytes, leading to a panic when used...

5.3CVSS5.8AI score0.00412EPSS
SaveExploits0References5
Tenable Nessus
Tenable Nessus
added 2026/05/22 12:00 a.m.16 views

Mattermost Server 11.5.x < 11.5.2 Missing Authorization (MMSA-2026-00645)

The version of Mattermost Server installed on the remote host is affected by a vulnerability as referenced in the MMSA-2026-00645 advisory. - Mattermost versions 11.5.x = 11.5.1 fail to verify channel membership when processing AI-assisted message rewrites which allows an authenticated attacker t...

6.5CVSS5.9AI score0.00205EPSS
SaveExploits0References2
Tenable Nessus
Tenable Nessus
added 2026/05/22 12:00 a.m.25 views

Linux Distros Unpatched Vulnerability : CVE-2026-8144

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.1 before 18.9.7, 18.10 before 18.10.6, and 18.11 before 18.11.3 that could have...

4.3CVSS5.6AI score0.00181EPSS
SaveExploits0References2
Snyk
Snyk
added 2026/05/21 11:45 p.m.27 views

Authorization Bypass Through User-Controlled Key

Overview concrete5/concrete5 is a concrete5 open source CMS. Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the surveys process. An attacker can gain unauthorized access to restricted survey functionality by submitting a restricted option ...

6.3CVSS5.7AI score0.00194EPSS
SaveExploits0References2
NVD
NVD
added 2026/05/21 10:16 p.m.28 views

CVE-2026-8240

Concrete CMS 9.5.0 and below is vulnerable to unauthenticated page metadata disclosure across every page with a configured summary template, revealing the existence of private, draft, and restricted pages while leaking title, path, description, and author information. The Concrete CMS security te...

6.3CVSS0.00195EPSS
SaveExploits0References1
NVD
NVD
added 2026/05/21 10:16 p.m.36 views

CVE-2026-7886

Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments parameter which can lead to file permission bypass. The AddMessage and UpdateMessage conversation controllers accept user-supplied file attachment IDs and load files directly via $em-findFile::class,...

4.3CVSS0.00288EPSS
SaveExploits0References1
ATTACKERKB
ATTACKERKB
added 2026/05/21 9:18 p.m.16 views

CVE-2026-7886

Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments parameter which can lead to file permission bypass. The AddMessage and UpdateMessage conversation controllers accept user-supplied file attachment IDs and load files directly via $em-findFile::class,...

2.3CVSS5.7AI score0.00288EPSS
SaveExploits0References2Affected Software1
CVE
CVE
added 2026/05/21 9:18 p.m.88 views

CVE-2026-7886

Concrete CMS versions 9.5.0 and below are vulnerable to an IDOR in AddMessage/UpdateMessage via the attachments[] parameter. The AddMessage and UpdateMessage controllers load files by ID with $em-&gt;find(File::class, $attachmentID) without per-file permission checks (canViewFile()), enabling a u...

4.3CVSS5.7AI score0.00288EPSS
SaveExploits0References1Affected Software1
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