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High-Risk Authorization Bypass in SonicJS Content API

High-Risk Authorization Bypass in SonicJS Content API

First seen 31 Oct 2026, 06:42 UTC • •
API

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ThreatCluster AI
ThreatCluster •October 31, 2026 at 08:42 UTC
  • •SonicJS has a high-risk authorization bypass vulnerability (CVE-2026-119707).
  • •Authenticated low-privilege users can alter or delete content belonging to others.
  • •A patch is available, but organizations should act quickly to mitigate risks.

SonicJS versions up to 3.0.0 have a missing authorization vulnerability (CVE-2026-119707) affecting the content write API, allowing low-privilege users to modify or delete other users' documents. This flaw enables authenticated authors and editors to bypass document ACLs, posing a significant risk to content integrity. The vulnerability was disclosed on October 30, 2026, and is classified as high risk with a CVSS score of 7.1. Organizations using SonicJS for public or internal content management are particularly vulnerable. A patch has been released to enforce proper authorization checks across the affected APIs. Until the patch is applied, organizations are advised to restrict access to write endpoints and review API logs for unusual activity. The exploitation status remains unconfirmed as of the latest reports.

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Timeline

2026-10-30
CVE-2026-119707 published
SonicJS vulnerability disclosed, allowing unauthorized content modifications by low-privilege users.
Redpacketsecurity
2026-10-31
Patch released for SonicJS
A fix was implemented to enforce role and ownership permissions across content APIs and admin interfaces.
GitHub

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Common questions

Which versions of SonicJS are affected?
SonicJS versions up to 3.0.0 are affected by this vulnerability.
What actions should organizations take?
Organizations should apply the patch immediately and restrict access to write endpoints until then.
Is there any confirmed exploitation of this vulnerability?
As of now, exploitation status is unconfirmed, but organizations should remain vigilant.