Medium severity · published Apr 9, 2026
CVE-2026-5987
Sanluan PublicCMS FreeMarker Template AbstractFreemarkerView.java AbstractFreemarkerView.doRender special elements used in a template engine
4.7
CVSS
0.2%
EPSS
No
On KEV
Description
A security vulnerability has been detected in Sanluan PublicCMS up to 6.202506.d. This affects the function AbstractFreemarkerView.doRender of the file publiccms-parent/publiccms-core/src/main/java/com/publiccms/common/base/AbstractFreemarkerView.java of the component FreeMarker Template Handler. Such manipulation leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PU
PublicCMS · Sanluan
4.0.202506.a; 4.0.202506.b; 5.202506.a; 5.202506.b; 5.202506.d; 6.202506.d · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5987
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5987
github.com
https://github.com/sanluan/PublicCMS/
github.com
https://github.com/sanluan/PublicCMS/issues/113
vuldb.com
https://vuldb.com/submit/792385
vuldb.com
https://vuldb.com/vuln/356541
vuldb.com
https://vuldb.com/vuln/356541/cti
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