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CRITICAL severity

SaltStack Salt Remote command execution and incorrect access control when using salt-apiGHSA-x549-r7m8-gv63

CRITICAL

GHSA-x549-r7m8-gv63 is a critical-severity (CVSS 9.8) Improper Authentication vulnerability in salt. A fix is available for salt — see the affected versions and patch details below.

Also known asCVE-2018-15751PYSEC-2018-30
Published
Updated
Affected
3 pkgs
Patched
3 / 3
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
4.9%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs92th percentile — riskier than 92% of all scored CVEsHighest risk
0.00%2.22%4.43%6.65%0.7%4.9%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

3 pkgs affected
🐍salt🐍salt🐍salt

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

SaltStack Salt 2016.11.x before 2016.11.10, 2017.7.x before 2017.7.8 and 2018.3.x before 2018.3.3 allow remote attackers to bypass authentication and execute arbitrary commands via salt-api(netapi).

Affected Packages

3 total 3 fixed
EcosystemPackageVulnerable rangeFix
🐍PyPIsalt≥ 2017.7.0&&< 2017.7.82017.7.8pip install --upgrade 'salt==2017.7.8'
🐍PyPIsalt≥ 2018.3.0&&< 2018.3.32018.3.3pip install --upgrade 'salt==2018.3.3'
🐍PyPIsalt≥ 2016.11.0&&< 2016.11.102016.11.10pip install --upgrade 'salt==2016.11.10'

Affected Products

1 product · 2 configurations
Application
saltsaltstack
≥ 2018.3.0 && < 2018.3.3
range

Detection & mitigation playbook

Open-source dependency

  1. Detect

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

  2. Fix

    Update salt to 2017.7.8 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-x549-r7m8-gv63 is resolved across your whole dependency graph.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

SaltStack Salt 2016.11.x before 2016.11.10, 2017.7.x before 2017.7.8 and 2018.3.x before 2018.3.3 allow remote attackers to bypass authentication and execute arbitrary commands via salt-api(netapi).
O3 Security · Impact-Aware SCA

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SaltStack Salt Remote command execution and incorrect…