CVE-2026-30870

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +21 more potentially affected by CVE-2026-30870 via @powersync/service-sync-rules (>=0.0.0-dev-20240918082156, <=0.32.0)

@powersync/service-sync-rules NPM version =0.0.0-dev-20240918082156, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20250827072023, =0.0.0-dev-20260114113449, =0.0.0-dev-20250827072023, =0.0.0-dev.57b1a567,...

PowerSync Service Authorization Vulnerability

PowerSync Service is a local-first synchronization engine developed by PowerSync as open source. Version 1.20.0 of PowerSync Service contains an authorization vulnerability. This vulnerability arises from ignoring certain subquery filters when using a new synchronization stream, which may allow...

CVE-2026-30870: Improper Authorization

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

CVE-2026-30870 Some sync filters in PowerSync Service ignored using `config.edition: 3`

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +12 more potentially affected by CVE-2026-30870 via @powersync/service-core (1.20.0)

@powersync/service-core NPM version 1.20.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-core and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

CVE-2026-30870

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

EUVD-2026-10417

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

EUVD-2026-10416

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

CVE-2026-30870 Some sync filters in PowerSync Service ignored using `config.edition: 3`

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

CVE-2026-30870 Some sync filters in PowerSync Service ignored using `config.edition: 3`

PowerSync Service is the server-side component of the PowerSync sync engine. In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +19 more potentially affected by CVE-2026-30870 via @powersync/service-sync-rules (0.32.0)

@powersync/service-sync-rules NPM version 0.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-sync-rules and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

CVE-2026-30870

CVE-2026-30870 affects PowerSync Service (server-side of the PowerSync sync engine). In version 1.20.0, using new sync streams with config.edition: 3, certain subquery filters could be ignored when deciding which data to sync to users, potentially allowing authenticated users to receive data that...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +19 more potentially affected by CVE-2026-30870 via @powersync/service-sync-rules (0.32.0)

@powersync/service-sync-rules NPM version 0.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-sync-rules and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +12 more potentially affected by CVE-2026-30870 via @powersync/service-core (1.20.0)

@powersync/service-core NPM version 1.20.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-core and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

GHSA-Q6WC-XX4M-92FJ PowerSync: Some sync filters ignored on 1.20.0 using `config.edition: 3`

Impact In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in authenticated users syncing data that should have been restricted. Onl...

PowerSync: Some sync filters ignored on 1.20.0 using `config.edition: 3`

Impact In version 1.20.0, when using new sync streams with config.edition: 3, certain subquery filters were ignored when determining which data to sync to users. Depending on the sync stream configuration, this could result in authenticated users syncing data that should have been restricted. Onl...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +19 more potentially affected by CVE-2026-30870 via @powersync/service-sync-rules (0.32.0)

@powersync/service-sync-rules NPM version 0.32.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-sync-rules and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

@powersync/cli-core (>=0.0.0-dev-20260305082615, <=0.9.2), @powersync/cli-plugin-config-edit (>=0.0.0-dev-20260305082615, <=0.9.2) +12 more potentially affected by CVE-2026-30870 via @powersync/service-core (1.20.0)

@powersync/service-core NPM version 1.20.0 is affected by a known vulnerability. The following packages have a transitive dependency on @powersync/service-core and may be impacted: - @powersync/cli-core =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615, =0.0.0-dev-20260305082615,...

PT-2026-24089

Name of the Vulnerable Software and Affected Versions PowerSync versions prior to 1.20.1 Description The PowerSync Service, a server-side component of the PowerSync sync engine, had an issue in version 1.20.0 where subquery filters were ignored when determining data synchronization for users with...