plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

ImpactThe Classic portlet plone.app.portlets.portlets.classic used its user-supplied template/macro fields to build a TALES path expression that was then evaluated by the TAL path helper. Because the value was interpreted as a full TALES expression, a user able to add or edit a Classic portlet...

PYSEC-2026-4138 plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

Impact The Classic portlet plone.app.portlets.portlets.classic used its user-supplied template/macro fields to build a TALES path expression that was then evaluated by the TAL path helper. Because the value was interpreted as a full TALES expression, a user able to add or edit a Classic portlet...

plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

Impact The Classic portlet plone.app.portlets.portlets.classic used its user-supplied template/macro fields to build a TALES path expression that was then evaluated by the TAL path helper. Because the value was interpreted as a full TALES expression, a user able to add or edit a Classic portlet...

GHSA-RR49-F9G6-C9R5 plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

Impact The Classic portlet plone.app.portlets.portlets.classic used its user-supplied template/macro fields to build a TALES path expression that was then evaluated by the TAL path helper. Because the value was interpreted as a full TALES expression, a user able to add or edit a Classic portlet...

CVE-2026-57149 plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

plone.app.portlets.portlets provides a Plone-specific user interface for plone.portlets, as well as a standard set of portlets that ship with Plone. Starting in version 5.0.0 and prior to versions 5.0.8, 6.0.4, and 7.0.2, the Classic portlet plone.app.portlets.portlets.classic used its...

CVE-2026-57149 plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

plone.app.portlets.portlets provides a Plone-specific user interface for plone.portlets, as well as a standard set of portlets that ship with Plone. Starting in version 5.0.0 and prior to versions 5.0.8, 6.0.4, and 7.0.2, the Classic portlet plone.app.portlets.portlets.classic used its...

CVE-2026-57149 plone.app.portlets Vulnerable to Remote Code Execution via TALES Injection

plone.app.portlets.portlets provides a Plone-specific user interface for plone.portlets, as well as a standard set of portlets that ship with Plone. Starting in version 5.0.0 and prior to versions 5.0.8, 6.0.4, and 7.0.2, the Classic portlet plone.app.portlets.portlets.classic used its...

CVE-2026-57149

The plone.app.portlets component is vulnerable to Remote Code Execution (RCE) via TALES injection in versions 5.0.0 through 5.0.7, 6.0.0 through 6.0.3, and 7.0.0 through 7.0.1. The root cause is that the Classic portlet (plone.app.portlets.portlets.classic) uses user-supplied template/macro field...

CVE-2026-57149: Improper Neutralization of Directives in Dynamically Evaluated Code

plone.app.portlets.portlets provides a Plone-specific user interface for plone.portlets, as well as a standard set of portlets that ship with Plone. Starting in version 5.0.0 and prior to versions 5.0.8, 6.0.4, and 7.0.2, the Classic portlet plone.app.portlets.portlets.classic used its...

plone.app.portlets vulnerable to denial of service via RSS feed portlet

ImpactBy adding an RSS portlet, and giving this a link to a very large file, a member can cause a denial of service attack, because Plone will use lots of memory. The member could also use different urls to try to get information about the internal network and open port numbers SSRF. A malicious...

PYSEC-2026-3884 plone.app.portlets vulnerable to denial of service via RSS feed portlet

Impact By adding an RSS portlet, and giving this a link to a very large file, a member can cause a denial of service attack, because Plone will use lots of memory. The member could also use different urls to try to get information about the internal network and open port numbers SSRF. A malicious...

CVE-2026-55248

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

plone.app.portlets vulnerable to denial of service via RSS feed portlet

Impact By adding an RSS portlet, and giving this a link to a very large file, a member can cause a denial of service attack, because Plone will use lots of memory. The member could also use different urls to try to get information about the internal network and open port numbers SSRF. A malicious...

GHSA-X5G3-W747-2H8Q plone.app.portlets vulnerable to denial of service via RSS feed portlet

Impact By adding an RSS portlet, and giving this a link to a very large file, a member can cause a denial of service attack, because Plone will use lots of memory. The member could also use different urls to try to get information about the internal network and open port numbers SSRF. A malicious...

CVE-2026-55248 plone.app.portlets: Denial of service via RSS feed portlet

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

CVE-2026-55248 plone.app.portlets: Denial of service via RSS feed portlet

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

EUVD-2026-67864

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

CVE-2026-55248 plone.app.portlets: Denial of service via RSS feed portlet

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

CVE-2026-55248

plone.app.portlets provides portlets and a Plone-specific user interface for plone.portlets. Prior to 5.0.8, 6.0.4, and 7.0.2, a member who can add an RSS portlet can set its feed URL to a very large response, causing src/plone/app/portlets/portlets/rss.py to download and retain excessive data in...

CVE-2026-55248

plone.app.portlets (Plone CMS) is vulnerable to three issues in its RSS feed portlet, all fixed in versions 5.0.8, 6.0.4, and 7.0.2 . A low-privileged member can set the RSS feed URL to a very large response, causing excessive in-memory data retention and denial of service via the FEED_DATA cache...