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MEDIUM severity

dcnnt-py is vulnerable to command injection via Notification HandlerGHSA-8p42-7597-p2f6

MEDIUMFix: cyanomiko/dcnnt-py#23

GHSA-8p42-7597-p2f6 is a medium-severity (CVSS 6.3) CWE-77 vulnerability in dcnnt. A fix is available for dcnnt — see the affected versions and patch details below.

Also known asCVE-2023-1000PYSEC-2026-1293
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 10, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for GHSA-8p42-7597-p2f6.

EPSS Exploitation Probability

via FIRST.org ↗
1.3%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs71th percentile — riskier than 71% of all scored CVEsHighest risk
0.32%0.82%1.32%1.82%0.8%1.3%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
🐍dcnnt

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

Description

A vulnerability was found in cyanomiko dcnnt-py up to 0.9.0. It has been classified as critical. Affected is the function main of the file dcnnt/plugins/notifications.py of the component Notification Handler. The manipulation leads to command injection. It is possible to launch the attack remotely. Upgrading to version 0.9.1 is able to address this issue. The patch is identified as b4021d784a97e25151a5353aa763a741e9a148f5. It is recommended to upgrade the affected component. VDB-262230 is the identifier assigned to this vulnerability.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIdcnntall versions0.9.1pip install --upgrade 'dcnnt==0.9.1'

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update dcnnt to 0.9.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-8p42-7597-p2f6 is resolved across your whole dependency graph.

  3. Workarounds

    Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does.

Frequently Asked Questions

A vulnerability was found in cyanomiko dcnnt-py up to 0.9.0. It has been classified as critical. Affected is the function main of the file dcnnt/plugins/notifications.py of the component Notification Handler. The manipulation leads to command injection. It is possible to launch the attack remotely. Upgrading to version 0.9.1 is able to address this issue. The patch is identified as b4021d784a97e25151a5353aa763a741e9a148f5. It is recommended to upgrade the affected component. VDB-262230 is the identifier assigned to this vulnerability.
O3 Security · Impact-Aware SCA

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dcnnt-py is vulnerable to command injection via…