Which versions of cscasereadserv-paypal are malicious?

The following npm versions of cscasereadserv-paypal are flagged malicious: 3.4.3. Treat any of these as compromised.

How do I remediate cscasereadserv-paypal if I installed it?

cscasereadserv-paypal is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

I already installed cscasereadserv-paypal — how do I know if it already compromised me?

If cscasereadserv-paypal was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Is cscasereadserv-paypal part of a known attack campaign?

Yes — cscasereadserv-paypal is associated with the IN-MAL-2026-018686 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find cscasereadserv-paypal across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for cscasereadserv-paypal (version 3.4.3).

Malicious package

cscasereadserv-paypalnpm

Advisory published Aug 25, 2026Updated Aug 25, 2026

cscasereadserv-paypal is a confirmed malicious npm package (MAL-2026-14472) that steals credentials and exfiltrates sensitive data (malicious version 3.4.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in cscasereadserv-paypal (npm)

MAL-2026-14472

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall cscasereadserv-paypal

What this malware does

[email protected] executes a preinstall script that auto-runs on npm install. The script collects the installer's OS username, hostname, and current working directory, then walks up parent directories to read the surrounding project's package.json name, author, and version. The collected JSON payload is hex-encoded and exfiltrated in chunks via DNS lookups to attacker-controlled subdomains under jgl.red (form: <seq>.<hex>.x.da5u87oh92rc72pp1dngqfc6hp8gwshm6.o.jgl.red), with a fallback DNS query on error. A source comment (// x-hackerone: kokonut) suggests dependency-confusion / bug-bounty reconnaissance framing, but the payload identifies the installer and discloses the name and version of the surrounding (likely private) parent package to a third party.

Malicious versions

1 flagged

3.4.3

Indicators of compromise (SHA-256)

336250fe38295375704495b6529ed6eb82f7006b6249c78ace08bc92d96d4bde

Detection & response playbook

Credential / info stealer

Find it
Search your lockfiles and build artifacts for cscasereadserv-paypal (version 3.4.3).
If you installed it — respond
cscasereadserv-paypal is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.
Did it already run?
If cscasereadserv-paypal was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. cscasereadserv-paypal on npm has been identified as a malicious package (version 3.4.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-018686

References

npmjs.com

Credits

Amazon Inspector · finder

Detect & block this

O3 blocks cscasereadserv-paypal-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Malware detection Runtime egress monitoring

Explore

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