npm package report

Is @powersync/service-core safe?

1 known vulnerability, worst severity MODERATE.

cvss

6.5

how bad it is if exploited, out of 10

epss

0.20%

chance of exploitation in the next 30 days

xyz score

not scored

CyberXYZ composite, out of 10

fig. 01 — GHSA-q6wc-xx4m-92fj, the advisory selected below

// advisories

GHSA-q6wc-xx4m-92fj

MODERATECVE-2026-30870

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.

Affected: = 1.20.0
Fixed in: 1.20.1
Weakness: CWE-285
Published: 2026-03-07
Source: github

GHSA NVD MITRE reference

// dependencies

0 direct

// ai model usage

Tracked for PyPI packages. HuggingFace models declare Python dependencies, so npm packages are not covered.

Checked 2026-09-22 at 03:44 UTC. The most recent advisory here was published 2026-03-07. Updated continuously from NVD, GHSA, OSV and CNA feeds.

Is @powersync/service-core safe? npm package security report | CyberXYZ