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MEDIUM severity

CVE-2019-15119 — nps

MEDIUMFix: cnlh/nps@7178b33

CVE-2019-15119 is a medium-severity (CVSS 5.5) CWE-732 vulnerability in ehang.io/nps. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for ehang.io/nps — see the affected versions and patch details below.

cnlh nps vulnerable to file overwrite by local user

Also known asGHSA-2vp2-8m5j-4rjxGO-2025-3625
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 4, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.0%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs62th percentile — riskier than 62% of all scored CVEsHighest risk
0.00%0.48%0.97%1.46%0.1%1.0%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐹ehang.io/nps

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

lib/install/install.go in cnlh nps prior to 0.23.2 uses 0777 permissions for /usr/local/bin/nps and/or /usr/bin/nps, leading to a file overwrite by a local user.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Goehang.io/npsall versions0.23.2go get ehang.io/nps@v0.23.2

Affected Products

1 product · 1 configurations
Application
npsehang-io
≤ 0.23.2
range
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

lib/install/install.go in cnlh nps through 0.23.2 uses 0777 permissions …

github.comNVDAug 2020

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for ehang.io/nps, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update ehang.io/nps to 0.23.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2019-15119 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

`lib/install/install.go` in cnlh nps prior to 0.23.2 uses 0777 permissions for `/usr/local/bin/nps and/or /usr/bin/nps`, leading to a file overwrite by a local user.
O3 Security · Impact-Aware SCA

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CVE-2019-15119: nps — Fixed in 0.23.2