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TI-2026-54376 Aliases CVE-2026-78181GHSA-66g2-xvjx-x9j9

ractivejs ractive Keypath Ractive#set prototype pollution

Priority HIGH 70CWE-1321Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-94.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00585 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ractivejsractive1.4.0; 1.4.1; 1.4.2; 1.4.3; 1.4.4—No fix listedCNA
  • ractive Vendorractivejs Affected 1.4.0; 1.4.1; 1.4.2; 1.4.3; 1.4.4 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:ractivejs:ractive:*:*:*:*:*:*:*:*——ractivejs
  • cpe:2.3:a:ractivejs:ractive:*:*:*:*:*:*:*:* Versions — — ·ractivejs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-78181
  2. 2026-10-03 Alias added: GHSA-66g2-xvjx-x9j9

References

Sources