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OSV
OSV
added 2026/05/21 9:04 p.m.11 views

CVE-2026-8238 Concrete CMS 9.5.0 and below is vulnerable to IDOR in '/ccm/frontend/conversations/message_page' allowing unauthenticated read of any conversation message

Concrete CMS 9.5.0 and below is vulnerable to IDOR. The '/ccm/frontend/conversations/messagepage' endpoint returns the full content of any conversation message. An unauthenticated attacker can enumerate all conversation messages, including messages from restricted pages, member-only areas, and th...

6.3CVSS6AI score
SaveExploits0References4
CVE
CVE
added 2026/05/21 9:01 p.m.66 views

CVE-2026-8237

CVE-2026-8237 affects Concrete CMS 9.5.0 and earlier. The vulnerability is an IDOR in the /ccm/frontend/conversations/message_detail endpoint, which can expose full content of conversation messages, including those from restricted pages, member-only areas, and the moderation queue, as well as fil...

6.3CVSS5.8AI score0.0064EPSS
SaveExploits0References1Affected Software1
CVE
CVE
added 2026/05/21 8:57 p.m.57 views

CVE-2026-8205

Concrete CMS

6.3CVSS5.8AI score0.00211EPSS
SaveExploits0References1Affected Software1
Vulnrichment
Vulnrichment
added 2026/05/21 8:56 p.m.11 views

CVE-2026-8204 Concrete CMS 9.5.0 and below is vulnerable to Authorization Bypass in the Calendar Event Frontend Dialog

Concrete CMS 9.5.0 and below is vulnerable to authorization Bypass in the Calendar Event Frontend Dialog which can allow cross-calendar data disclosure. A public calendar block can be used as a pivot point to access private calendar data. The Concrete CMS security team gave this vulnerability a...

6.3CVSS5.8AI score0.00211EPSS
SaveExploits0References1
OSV
OSV
added 2026/05/21 8:56 p.m.10 views

CVE-2026-8204 Concrete CMS 9.5.0 and below is vulnerable to Authorization Bypass in the Calendar Event Frontend Dialog

Concrete CMS 9.5.0 and below is vulnerable to authorization Bypass in the Calendar Event Frontend Dialog which can allow cross-calendar data disclosure. A public calendar block can be used as a pivot point to access private calendar data. The Concrete CMS security team gave this vulnerability a...

6.3CVSS5.9AI score
SaveExploits0References4
OSV
OSV
added 2026/05/21 8:38 p.m.54 views

GHSA-8RWR-F68V-CVW6 NocoDB: Attachment Size Limit Bypass via Upload-by-URL

Summary The upload-by-URL path did not enforce NCATTACHMENTFIELDSIZE against either the remote file's advertised Content-Length or the decoded length of a data: URI, allowing an authenticated user to bypass the configured per-file size limit. Details The attachments service now checks...

5.3CVSS5.8AI score0.00406EPSS
SaveExploits0References3
Github Security Blog
Github Security Blog
added 2026/05/21 8:38 p.m.31 views

NocoDB: Attachment Size Limit Bypass via Upload-by-URL

Summary The upload-by-URL path did not enforce NCATTACHMENTFIELDSIZE against either the remote file's advertised Content-Length or the decoded length of a data: URI, allowing an authenticated user to bypass the configured per-file size limit. Details The attachments service now checks...

5.3CVSS5.8AI score0.00406EPSS
SaveExploits0References3Affected Software1
OSV
OSV
added 2026/05/21 8:35 p.m.16 views

GHSA-99VC-2JX2-688P NocoDB: Missing File Size Enforcement in Upload-by-URL Allows Denial of Service via Disk Exhaustion

Summary The uploadViaURL path in the v1/v2 attachment API did not enforce NCATTACHMENTFIELDSIZE against the remote content-length or against the response stream. An authenticated user Editor+ could direct the server to download arbitrarily large files, exhausting disk space and causing denial of...

6.5CVSS5.9AI score0.00411EPSS
SaveExploits0References3
ATTACKERKB
ATTACKERKB
added 2026/05/21 8:31 p.m.12 views

CVE-2026-8203

Concrete CMS 9.5.0 and below has Stored XSS on the height parameter. The controller does not validate or sanitize $height. Any user with editor privileges can inject malicious JavaScript that executes in the context of any visitor's browser, potentially leading to session hijacking, credential...

7.3CVSS5.8AI score0.00122EPSS
SaveExploits0References2Affected Software1
Vulnrichment
Vulnrichment
added 2026/05/21 8:25 p.m.9 views

CVE-2026-8421 Concrete CMS 9.5.0 and below is vulnerable to CSRF on install_package() with conditional token bypass leading to RCE

Concrete CMS 9.5.0 and below contains a CSRF vulnerability in the installpackage method of concrete/controllers/singlepage/dashboard/extend/install.php. An attacker who can cause an authenticated administrator to visit a crafted page, and who has placed or caused a package to be present under...

7.5CVSS6.1AI score0.00171EPSS
SaveExploits0References1
CVE
CVE
added 2026/05/21 8:22 p.m.61 views

CVE-2026-8426

Concrete CMS 9.5.0 and earlier fails to validate a CSRF token for requests to /dashboard/extend/update/prepare_remote_upgrade/. An attacker who controls the remote package returned for a known marketplace item ID can overwrite the package PHP on disk and trigger the upgrade() method in a single b...

8.8CVSS6.5AI score0.00171EPSS
SaveExploits0References1Affected Software1
Github Security Blog
Github Security Blog
added 2026/05/21 5:57 p.m.22 views

md-fileserver: Stored/Reflected XSS when viewing Markdown (raw HTML allowed)

Summary A cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution ...

7.2CVSS6AI score0.00232EPSS
SaveExploits1References4Affected Software1
IBM Security Bulletins
IBM Security Bulletins
added 2026/05/21 3:44 p.m.12 views

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to content disclosure in Spring MVC and WebFlux [CVE-2026-22737]

Summary IBM Watson Speech Services Cartridge is vulnerable to content disclosure in Spring MVC and WebFlux, where template views in Spring MVC and Spring WebFlux applications can result in disclosure of content from files outside the configured locations for script template views CVE-2026-22737...

5.9CVSS5.9AI score0.00385EPSS
SaveExploits1Affected Software1
Microsoft CVE
Microsoft CVE
added 2026/05/21 8:02 a.m.24 views

Crash during DNSSEC validation of malicious content

...

8.7CVSS5.8AI score0.00779EPSS
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SUSE CVE
SUSE CVE
added 2026/05/21 3:00 a.m.23 views

SUSE CVE-2021-41190

The OCI Distribution Spec project defines an API protocol to facilitate and standardize the distribution of content. In the OCI Distribution Specification version 1.0.0 and prior, the Content-Type header alone was used to determine the type of document during push and pull operations. Documents...

5CVSS6.5AI score0.02085EPSS
SaveExploits0References36
OSSF Malicious Packages
OSSF Malicious Packages
added 2026/05/21 1:31 a.m.62 views

Malicious code in polygon-toolkit-validate (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 77c6fa5fc2aa45c8649c09e54e0f5b318b096a78a133380d18d5379621ba819c The package presents a Polygon/Polymarket validation/crypto utility but its exported APIs silently relay caller data to a hardcoded remote endpoint. ...

5.7AI score
SaveExploits0References2
Positive Technologies
Positive Technologies
added 2026/05/21 12:00 a.m.18 views

PT-2026-42567

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.0.0 through 9.4.x Description Concrete CMS is subject to Cross Site Request Forgery CSRF, a flaw where an attacker tricks a victim into performing actions they did not intend to do. This issue occurs at the...

2.3CVSS5.8AI score0.0013EPSS
SaveExploits0References3
Positive Technologies
Positive Technologies
added 2026/05/21 12:00 a.m.16 views

PT-2026-42540

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An issue exists where a missing permission check in the usage controller allows unauthenticated visitors to disclose file usage information. By requesting the endpoint...

6.9CVSS5.8AI score0.01461EPSS
SaveExploits1References4
CNNVD
CNNVD
added 2026/05/21 12:00 a.m.18 views

Concrete CMS 跨站请求伪造漏洞

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions prior to Concrete CMS 9.5.0 had a cross-site request forgeing vulnerability. This vulnerability stemmed from the concrete/controllers/backend/file function, which was vulnerable to cross-site request...

8.8CVSS5.7AI score0.0013EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
added 2026/05/21 12:00 a.m.23 views

PT-2026-42586

Summary A cross-site scripting XSS vulnerability exists in the application’s Markdown rendering logic. When user-supplied Markdown content is rendered, embedded raw HTML—including tags—is processed and injected into the resulting page without sanitization, allowing arbitrary JavaScript execution ...

7.2CVSS6AI score
SaveExploits0References3
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