Concrete CMS is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

GHSA-52PR-7VMF-2W7X Concrete CMS is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

CVE-2026-7888 Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. The Form block and File/Set sinks were addressed in 9.5.2; the Workflow component sinks were addressed in 9.5.3. An...

CVE-2026-7888

CVE-2026-7888 affects Concrete CMS versions below 9.5.2. The vulnerability arises from PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that do not enforce allowed_classes. An unauthenticated attacker could trigger arbitrary PHP object instantiatio...

CVE-2026-7888 Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. The Form block and File/Set sinks were addressed in 9.5.2; the Workflow component sinks were addressed in 9.5.3. An...

CVE-2026-7888

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has been...

CVE-2026-7888 Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components that lack the allowed_classes restriction.

Concrete CMS below 9.5.3 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowedclasses restriction. The Form block and File/Set sinks were addressed in 9.5.2; the Workflow component sinks were addressed in 9.5.3. An...

directory-api-client (>=9.14.0, <=9.15.0), directory-api-external (>=4.1.1, <=4.2.0) +9 more potentially affected by CVE-2026-48587 via django (1.11.5)

django PYPI version 1.11.5 is affected by a known vulnerability. The following packages have a transitive dependency on django and may be impacted: - directory-api-client =9.14.0, =4.1.1, =0.0.1, =0.0.1, =1.0.5, =6.4.1, =0.3.0, =2.4.1, =2.0.1, =0.0.6, =0.0.11 Source cves: CVE-2026-48587 Source...

caluma (>=5.4.0, <=5.5.2), django-cms-forms (>=0.0.1, <=0.0.11) +2 more potentially affected by CVE-2026-6873 via django (2.2.11)

django PYPI version 2.2.11 is affected by a known vulnerability. The following packages have a transitive dependency on django and may be impacted: - caluma =5.4.0, =0.0.1, =0.3.10.56, =1.2.0, =1.2.2 Source cves: CVE-2026-6873 Source advisory: OSV:GHSA-H7PC-VWP9-298G...

caluma (>=5.4.0, <=5.5.2), django-cms-forms (>=0.0.1, <=0.0.11) +2 more potentially affected by CVE-2026-8404 via django (2.2.11)

django PYPI version 2.2.11 is affected by a known vulnerability. The following packages have a transitive dependency on django and may be impacted: - caluma =5.4.0, =0.0.1, =0.3.10.56, =1.2.0, =1.2.2 Source cves: CVE-2026-8404 Source advisory: OSV:GHSA-8CJM-8MP7-R2XF...

arches (>=6.2.5, <=7.4.2), botbuilder-applicationinsights (>=0.0.1, <=4.14.8) +3 more potentially affected by CVE-2026-8404 via django (3.2.21)

django PYPI version 3.2.21 is affected by a known vulnerability. The following packages have a transitive dependency on django and may be impacted: - arches =6.2.5, =0.0.1, =0.0.1, =2024.5.0, =2024.6.0 - nemo 4.6.4 Source cves: CVE-2026-8404 Source advisory: OSV:GHSA-8CJM-8MP7-R2XF...

EUVD-2026-34180

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

RockyLinux 9 : compat-openssl11 (RLSA-2026:22313)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:22313 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding descriptio...

RockyLinux 9 : openssl (RLSA-2026:22312)

The remote RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:22312 advisory. openssl: OpenSSL: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing CVE-2026-28390 Tenable has extracted the preceding descriptio...

PT-2026-58948

Concrete CMS below 9.5.2 is vulnerable to PHP Object Injection via unserialize calls in the Workflow, Form block, and File/Set components that lack the allowed classes restriction. An unauthenticated attacker may trigger arbitrary PHP object instantiation if a malicious serialized payload has bee...

Oracle Linux 8 : compat-openssl10 (ELSA-2026-22315)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22315 advisory. 1.1.0.2o-4.2 - Fixes CVE-2026-28390: Denial of Service due to NULL pointer dereference in CMS EnvelopedData processing Resolves: RHEL-165754 Tenable has...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

CVE-2026-37700: Improper Neutralization of Input During Web Page Generation

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...

CVE-2026-37700

Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by adminpage...