CVE-2026-78181

HIGH 7.3

ractivejs ractive Keypath Ractive#set prototype pollution

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

A weakness has been identified in ractivejs ractive up to 1.4.4. Impacted is the function Ractive#set of the component Keypath Handler. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

CWE	CWE-1321 CWE-94
Vendor	ractivejs
Product	ractive
Published	Aug 24, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

ractivejs / ractive

1.4.0 1.4.1 1.4.2 1.4.3 1.4.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/394565 vuldb.com: https://vuldb.com/vuln/394565/cti vuldb.com: https://vuldb.com/cve/CVE-2026-78181 vuldb.com: https://vuldb.com/submit/884187 github.com: https://github.com/ractivejs/ractive/issues/3448 github.com: https://github.com/ractivejs/ractive/

Credits

🔍 wjm3 (VulDB User) VulDB CNA Team