CVE-2020-4035: In WatermelonDB (NPM package "@nozbe/watermelondb") before versions 0.15.1 and 0.16.2, a maliciously crafted r

Q: How do I fix CVE-2020-4035?

watermelondb: upgrade to 0.15.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-4035 being exploited?

CVE-2020-4035 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-4035 affect?

CVE-2020-4035 affects watermelondb. Severity is medium (CVSS 5.9). In WatermelonDB (NPM package "@nozbe/watermelondb") before versions 0.15.1 and 0.16.2, a maliciously crafted record ID can exploit a SQL Injection vulnerability in iOS adapter implementation and cause the app to delete all or selected recor

Q: How urgent is CVE-2020-4035?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 5.9UPGRADE

CVE-2020-4035 is a medium-severity flaw (CVSS 5.9) affecting watermelondb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In WatermelonDB (NPM package "@nozbe/watermelondb") before versions 0.15.1 and 0.16.2, a maliciously crafted record ID can exploit a SQL Injection vulnerability in iOS adapter implementation and cause the app to delete all or selected records from the database, generally causing the app to become unusable. This may happen in apps that don't validate IDs (valid IDs are `/^[a-zA-Z0-9_-.]+$/`) and use Watermelon Sync or low-level `database.adapter.d

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-06-03
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: nozbe

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-06-03 17:15 UTCPublished CVE record published
2026-06-17 03:19 UTCUpdated Record last modified

nozbe watermelondb UPGRADE

Affected: < 0.15.1 · 0.16.0 · 0.16.1

Fixed in: 0.15.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy watermelondb || rpm -q watermelondb || watermelondb --version

2. UPGRADE to 0.15.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade watermelondb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade watermelondb

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-4035?

watermelondb: upgrade to 0.15.1. Exact commands for each OS are on this page.

Is CVE-2020-4035 being exploited?

CVE-2020-4035 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-4035 affect?

CVE-2020-4035 affects watermelondb. Severity is medium (CVSS 5.9). In WatermelonDB (NPM package "@nozbe/watermelondb") before versions 0.15.1 and 0.16.2, a maliciously crafted record ID can exploit a SQL Injection vulnerability in iOS adapter implementation and cause the app to delete all or selected recor

How urgent is CVE-2020-4035?

Priority 34/100. No elevated risk signals yet.

Software pages

iOS vulnerabilities · npm packages vulnerabilities

References

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