PT-2026-90147

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the platform/chrome sensorhub where the cros ec sensorhub ring handler function fails to validate the 8-bit sensor number in-sensor num carried by each EC FIFO event...

brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity

A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the expand function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-lo...

CVE-2026-18121

Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}). The controller loads the event occurrence from an attacker-supplied sequential identifier without verifying that the caller ...

CVE-2026-18121 Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}).

Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass IDOR because the frontend calendar lightbox endpoint /ccm/calendar/viewevent/bID/occurrenceid does not verify that the caller is permitted to view the calendar that owns the requested event occurrence. The controller loads the...

CVE-2026-18121 Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}).

Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass IDOR because the frontend calendar lightbox endpoint /ccm/calendar/viewevent/bID/occurrenceid does not verify that the caller is permitted to view the calendar that owns the requested event occurrence. The controller loads the...

GHSA-3G9Q-V48F-HH9W Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout

Summary The OIDC back-channel logout endpoint is unauthenticated by design, because the identity provider calls it without a browser session. Before checking whether the submitted logout token was genuine, the handler fetched the provider's discovery document and its signing keys over the network...

EUVD-2026-75170

Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout...

Open WebUI: Unauthenticated requests can stall the server via uncached OIDC fetches in back-channel logout

Summary The OIDC back-channel logout endpoint is unauthenticated by design, because the identity provider calls it without a browser session. Before checking whether the submitted logout token was genuine, the handler fetched the provider's discovery document and its signing keys over the network...

Allocation of Resources Without Limits or Throttling

Overview open-webui is an Open WebUI Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling through the POST /oauth/backchannel-logout process in the OIDC back-channel logout handler when unauthenticated requests trigger repeated network fetches f...

CVE-2026-68527 Concrete CMS 8.3.0 through 9.5.2 is vulnerable to an authorization bypass through user-controlled key (cross-calendar IDOR) in the Calendar event edit dialog

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

CVE-2026-68527 Concrete CMS 8.3.0 through 9.5.2 is vulnerable to an authorization bypass through user-controlled key (cross-calendar IDOR) in the Calendar event edit dialog

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

CVE-2026-68527

Concrete CMS 8.3.0 through 9.5.2 contains an authorization bypass (cross-calendar IDOR) in the Calendar event edit dialog (concrete/controllers/dialog/event/edit.php). The dialog validated permissions against the calendar identifier supplied in the request rather than the calendar actually owning...

EUVD-2026-75673

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

CVE-2026-68527 Concrete CMS 8.3.0 through 9.5.2 is vulnerable to an authorization bypass through user-controlled key (cross-calendar IDOR) in the Calendar event edit dialog

Concrete CMS versions 8.3.0 through 9.5.2 are vulnerable to an authorization bypass in the Calendar event edit dialog concrete/controllers/dialog/event/edit.php. The dialog checked permissions against the calendar identifier supplied in the request rather than the calendar owning the targeted eve...

brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity

A flaw was found in brace-expansion. An attacker can exploit a vulnerability in the expand function by providing a specially crafted string. This string, containing consecutive non-expanding brace groups, can trigger exponential-time complexity, leading to significant CPU consumption and event-lo...

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CVE-2026-88915

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915

MISP ≤2.5.45 is affected by an authorization bypass in the event template instantiation path. When a template uses distribution = 4 , the template's sharing_group_id was passed directly into event creation without verifying that the acting user is permitted to use that sharing group via SharingGr...

CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...

CVE-2026-88915 MISP Event Template Instantiation Bypasses Sharing Group and Tagging Authorization

Affected versions of MISP do not consistently enforce the acting user's authorization when instantiating event templates. For templates using distribution = 4, the template can specify a sharinggroupid. The instantiation path passed that value into event creation without verifying that the user...