PT-2026-31823 · Sanluan · Sanluan Publiccms

Anch0R · Published 2026-04-09 · Updated 2026-04-09 · CVE-2026-5987

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:L/Au:M/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Sanluan PublicCMS versions prior to 6.202506.d

Description A security issue exists in Sanluan PublicCMS. The AbstractFreemarkerView.doRender function within the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/common/base/AbstractFreemarkerView.java, related to the FreeMarker Template Handler component, suffers from improper neutralization of special elements used in a template engine. This allows for remote exploitation. The exploit has been publicly disclosed.

Recommendations Update to a version later than 6.202506.d.

Exploit

Fix

Weakness Enumeration

CWE-791

CWE-1336

Related Identifiers

CVE-2026-5987

Affected Products

Sanluan Publiccms

References · 7

• 🔥 https://github.com/sanluan/PublicCMS/issues/113 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-5987 · Security Note
• https://vuldb.com/vuln/356541/cti · Note
• https://vuldb.com/vuln/356541 · Note
• https://github.com/sanluan/PublicCMS · Note
• https://twitter.com/CVEnew/status/2042387940421353784 · Twitter Post
• https://vuldb.com/submit/792385 · Note