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CVE Vulnerability Details :
CVE-2026-12208
PUBLISHED
More InfoOfficial Page
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
View Known Exploited Vulnerability (KEV) details
Published At-15 Jun, 2026 | 02:00
Updated At-15 Jun, 2026 | 19:25
Rejected At-
▼CVE Numbering Authority (CNA)
jsonata-js jsonata Function Binding Frame System jsonata.js createFrame prototype pollution

A weakness has been identified in jsonata-js jsonata up to 2.2.0. The affected element is the function createFrame of the file src/jsonata.js of the component Function Binding Frame System. This manipulation causes improperly controlled modification of object prototype attributes. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Products
Vendor
jsonata-js
Product
jsonata
CPEs
  • cpe:2.3:a:jsonata-js:jsonata:*:*:*:*:*:*:*:*
Modules
  • Function Binding Frame System
Versions
Affected
  • 2.0
  • 2.1
  • 2.2.0
Problem Types
TypeCWE IDDescription
CWECWE-1321Improperly Controlled Modification of Object Prototype Attributes
CWECWE-94Code Injection
Type: CWE
CWE ID: CWE-1321
Description: Improperly Controlled Modification of Object Prototype Attributes
Type: CWE
CWE ID: CWE-94
Description: Code Injection
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
3.05.3MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
2.05.0N/A
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
Version: 3.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
Version: 2.0
Base score: 5.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

reporter
Frederick (VulDB User)
coordinator
VulDB CNA Team
Timeline
EventDate
Advisory disclosed2026-06-14 00:00:00
VulDB entry created2026-06-14 02:00:00
VulDB entry last update2026-06-14 14:30:41
Event: Advisory disclosed
Date: 2026-06-14 00:00:00
Event: VulDB entry created
Date: 2026-06-14 02:00:00
Event: VulDB entry last update
Date: 2026-06-14 14:30:41
Replaced By

Rejected Reason

References
HyperlinkResource
https://vuldb.com/vuln/370850
vdb-entry
technical-description
https://vuldb.com/vuln/370850/cti
signature
permissions-required
https://vuldb.com/cve/CVE-2026-12208
third-party-advisory
https://vuldb.com/submit/832446
third-party-advisory
https://github.com/OriginSecurityX/jsonata-hasownproperty-bypass
exploit
Hyperlink: https://vuldb.com/vuln/370850
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/vuln/370850/cti
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/cve/CVE-2026-12208
Resource:
third-party-advisory
Hyperlink: https://vuldb.com/submit/832446
Resource:
third-party-advisory
Hyperlink: https://github.com/OriginSecurityX/jsonata-hasownproperty-bypass
Resource:
exploit
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Details not found