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CVE-2026-33994: Improperly Controlled Modification of Object Prototype Attributes

🗓️ 27 Mar 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Prototype pollution in Locutus 2.0.39-3.0.24 via parse_str overriding RegExp.prototype.test.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-33994
27 Mar 202622:15
–attackerkb
circl
Circl
CVE-2026-33994
25 Mar 202612:56
–circl
cnnvd
CNNVD
Locutus 安全漏洞
27 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-33994
27 Mar 202622:15
–cve
cvelist
Cvelist
CVE-2026-33994 Locutus Prototype Pollution due to incomplete fix for CVE-2026-25521
27 Mar 202622:15
–cvelist
euvd
EUVD
EUVD-2026-16890
27 Mar 202617:58
–euvd
github
Github Security Blog
Locutus Prototype Pollution due to incomplete fix for CVE-2026-25521
27 Mar 202617:58
–github
nvd
NVD
CVE-2026-33994
27 Mar 202623:17
–nvd
osv
OSV
GHSA-VC8F-X9PP-WF5P Locutus Prototype Pollution due to incomplete fix for CVE-2026-25521
27 Mar 202617:58
–osv
ptsecurity
Positive Technologies
PT-2026-28588
27 Mar 202600:00
–ptsecurity
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01 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 46.3
CVSS 3.19.8
EPSS0.00756
SSVC
0