Description
A vulnerability was determined in brikcss merge up to 1.3.0. This affects an unknown part. Executing a manipulation of the argument __proto__/constructor.prototype/prototype can lead to improperly controlled modification of object prototype attributes. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.
References (4)
Core 4
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-358229 | brikcss merge prototype pollution
https://vuldb.com/vuln/358229
Signature, Permissions Required signature
permissions-required
VDB-358229 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/358229/cti
Third Party Advisory third-party-advisory
Submit #791805 | brikcss @brikcss/merge 1.3.0 Prototype Pollution
https://vuldb.com/submit/791805
Scores
CVSS v3
7.3
EPSS
0.0034
EPSS Percentile
25.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-1321
CWE-94
Status
published
Products (5)
brikcss/merge
0npm
brikcss/merge
1.0
brikcss/merge
1.1
brikcss/merge
1.2
brikcss/merge
1.3.0
Published
Apr 20, 2026
Tracked Since
Apr 20, 2026