CVE-2026-15033

MEDIUMPre-NVD 6.36.3—
EchelonGraph scoreHIGH confidence

Score 6.3 from GitHub Security Advisory published 2026-07-08. a secondary CVSS source baseline 6.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this week
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A flaw has been found in christopherthielen check-peer-dependencies up to 4.3.4. Affected by this vulnerability is the function shelljs.exec of the file dist/packageUtils.js of the component peerDependencies. This manipulation causes os command injection. The attack may be initiated remotely. The project was informed of the problem early through an issue report but has not responded yet.

CVSS v3
6.3
EG Score
6.3(high)
EPSS
60.8%
KEV
Not listed

Published

July 8, 2026

Last Modified

July 8, 2026

Advisory Details (2)

Auto-updated Jul 8, 2026
No patch confirmed yet.
generic

OS Command Injection in check-peer-dependencies via malicious peerDependencies package names · Issue #74 · christopherthielen/check-peer-dependencies · GitHub

https://github.com/christopherthielen/check-peer-dependencies/issues/74
generic

GitHub - christopherthielen/check-peer-dependencies: Checks peer dependencies of the current NodeJS package. Offers solutions for any that are unmet. · GitHub

https://github.com/christopherthielen/check-peer-dependencies/

Vendor Advisories for CVE-2026-15033(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 19× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-14 22:16 UTCEG score recompute
  2. 2026-07-14 22:16 UTCGHSA enrichment
  3. 2026-07-13 22:30 UTCEPSS rescore
  4. 2026-07-13 20:47 UTCEG score recompute
  5. 2026-07-13 20:47 UTCGHSA enrichment
  6. 2026-07-13 06:12 UTCEPSS rescore
  7. 2026-07-12 19:18 UTCEG score recompute
  8. 2026-07-12 19:18 UTCGHSA enrichment
  9. 2026-07-12 05:46 UTCEPSS rescore
  10. 2026-07-11 17:49 UTCEG score recompute
  11. 2026-07-11 17:49 UTCGHSA enrichment
  12. 2026-07-11 08:27 UTCEPSS rescore
  13. 2026-07-10 16:20 UTCEG score recompute
  14. 2026-07-10 16:20 UTCGHSA enrichment
  15. 2026-07-09 19:10 UTCEPSS rescore
  16. 2026-07-09 14:51 UTCEG score recompute
  17. 2026-07-09 14:51 UTCGHSA enrichment
  18. 2026-07-08 13:21 UTCEG score recompute
  19. 2026-07-08 13:20 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15033?
CVE-2026-15033 is a medium vulnerability published on July 8, 2026. A flaw has been found in christopherthielen check-peer-dependencies up to 4.3.4. Affected by this vulnerability is the function shelljs.exec of the file dist/packageUtils.js of the component peerDependencies. This manipulation causes os command injection. The attack may be initiated remotely. The…
When was CVE-2026-15033 disclosed?
CVE-2026-15033 was first published in the National Vulnerability Database on July 8, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15033 actively exploited?
CVE-2026-15033 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 60.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-15033?
CVE-2026-15033 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2026-15033?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15033, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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