CVE-2026-8204

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...

CVE-2026-8135

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution due to insecure deserialization occurring in the ExpressEntryList block controller. An rogue administrator with privileges to add blocks to an area can bypass the intended protection mechanism fromCIF === true, which normally...

CVE-2026-8205 Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in Calendar Block since action_get_events does not check canView on the calendar

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...

CVE-2026-8205 Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in Calendar Block since action_get_events does not check canView on the calendar

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...

CVE-2026-8205 Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in Calendar Block since action_get_events does not check canView on the calendar

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...

CVE-2026-8205

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...

EUVD-2026-31351

Concrete CMS 9.5.0 and below is vulnerable to authorization bypass in the Calendar Block since actiongetevents does not check canView on the calendar which results in restricted event details being disclosed. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with...

CVE-2026-8205

Concrete CMS

EUVD-2026-31348

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...

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...

CVE-2026-8204

Concrete CMS 9.5.0 and earlier versions are vulnerable to an authorization bypass in the Calendar Event Frontend Dialog, enabling potential cross-calendar data disclosure. A public calendar block can be used as a pivot to access private calendar data. The CVSS v4.0 base score is 6.3 (AV:N/AC:L/AT...

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...

NocoDB: OAuth Token Scope Not Enforced at ACL Layer Allows Scope Escalation

Summary The OAuth token strategy attached oauthscope and oauthgrantedresources to the request user, but the ACL middleware never consulted either. An OAuth token issued with a restricted scope e.g. MCP-only therefore inherited the full permissions of the underlying user across all routes; the...

CVE-2026-8135 Concrete CMS 9.5.0 and below is vulnerable to RCE due to insecure deserialization occurring in the ExpressEntryList block controller.

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution due to insecure deserialization occurring in the ExpressEntryList block controller. An rogue administrator with privileges to add blocks to an area can bypass the intended protection mechanism fromCIF === true, which normally...

CVE-2026-8135

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution via insecure deserialization in the ExpressEntryList block controller. A rogue admin with block-adding privileges can bypass protection by abusing REST API requests; json_decode() converts the string "true" to PHP Boolean true, a...

CVE-2026-8135 Concrete CMS 9.5.0 and below is vulnerable to RCE due to insecure deserialization occurring in the ExpressEntryList block controller.

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution due to insecure deserialization occurring in the ExpressEntryList block controller. An rogue administrator with privileges to add blocks to an area can bypass the intended protection mechanism fromCIF === true, which normally...

CVE-2026-8135 Concrete CMS 9.5.0 and below is vulnerable to RCE due to insecure deserialization occurring in the ExpressEntryList block controller.

Concrete CMS 9.5.0 and below is vulnerable to Remote Code Execution due to insecure deserialization occurring in the ExpressEntryList block controller. An rogue administrator with privileges to add blocks to an area can bypass the intended protection mechanism fromCIF === true, which normally...

nimiq-blockchain: Genesis batch set request

Impact A remote peer can crash any full node by sending a RequestBatchSet message containing the genesis block's hash. The handler calls getepochchunks which iterates backwards through macro blocks using Policy::macroblockbefore. When it reaches the genesis block number, macroblockbefore panics...

GHSA-VGHX-352F-93JM nimiq-blockchain: Genesis batch set request

Impact A remote peer can crash any full node by sending a RequestBatchSet message containing the genesis block's hash. The handler calls getepochchunks which iterates backwards through macro blocks using Policy::macroblockbefore. When it reaches the genesis block number, macroblockbefore panics...

GHSA-799F-29JM-GR6C nimiq-primitives: BlockInclusionProof interlink issue when hops are empty

Impact A logic flaw in BlockInclusionProof::isblockproven causes the function to return true without performing any cryptographic verification when getinterlinkhops yields an empty hop list. This occurs when the target block is at the election block position immediately preceding the election...