CVE-2026-47781

HIGHPre-NVD 8.48.4—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.4 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.1%, top 97% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Elevated
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: Elevated riskExposed: 0

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

PDM is a Python package and dependency manager. In versions up to and including 2.26.9, PDM automatically loads project-local plugins from a .pdm-plugins directory during initialization, allowing an attacker-controlled file in an untrusted repository checkout to execute arbitrary Python code before any command is parsed. This happens because load_plugins() runs during Core.init() and adds .pdm-plugins via site.addsitedir(), which processes .pth files and immediately executes any line beginning with import, so the code runs with the privileges of the user invoking pdm and even a benign command such as pdm --version triggers it (making the impact strongest in CI, automation, and privileged contexts). The issue is fixed in version 2.27.0.

CVSS v3
8.4
EG Score
8.4(medium)
EG Risk
69(Attend)
EG Risk 69/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity84% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

June 11, 2026

Last Modified

August 5, 2026

Advisory Details (2)

Auto-updated Aug 4, 2026
🔬 Proof of concept available. Patch available. Sources: github, github_release.
github_release Patch Available

v2.27.0

Patch available: pdm-project/pdm 2.27.0

https://github.com/pdm-project/pdm/releases/tag/2.27.0
github Patch Available🟡 PoC Available

Project-Controlled `.pdm-plugins` Content Executes Before CLI Parsing · Advisory · pdm-project/pdm · GitHub

https://github.com/pdm-project/pdm/security/advisories/GHSA-qq6c-99pv-prvf

Vendor Advisories for CVE-2026-47781(1)

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

Affected Packages

(4 across 4 ecosystems)
Debian:12(1)
PackageVulnerable rangeFixed inDependents
pdm2.2.1+ds1-1 ... 2.28.0-1 (14 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
pdm2.20.1+ds1-2 ... 2.28.0-1 (9 versions)——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
pdm2.20.1+ds1-2 ... 2.26.6-1 (7 versions)2.27.0-1—
PyPI(1)
PackageVulnerable rangeFixed inDependents
pdm0.0.0 ... 2.9.3 (247 versions)2.27.0—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 40× 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. 2026-08-25 13:49 UTCEPSS rescore
  2. 2026-08-25 00:06 UTCEG score recompute
  3. 2026-08-23 10:43 UTCEG score recompute
  4. 2026-08-23 00:19 UTCEPSS rescore
  5. 2026-08-21 23:49 UTCEPSS rescore
  6. 2026-08-21 10:35 UTCEG score recompute
  7. 2026-08-20 22:55 UTCEPSS rescore
  8. 2026-08-20 08:51 UTCEG score recompute
  9. 2026-08-19 17:04 UTCEPSS rescore
  10. 2026-08-19 14:54 UTCEG score recompute
  11. 2026-08-18 13:48 UTCEPSS rescore
  12. 2026-08-17 13:47 UTCEPSS rescore
  13. 2026-08-17 03:42 UTCEG score recompute
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 14:52 UTCEG score recompute
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 13:11 UTCEG score recompute
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-13 22:14 UTCEG score recompute
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-12 14:36 UTCEG score recompute
  22. 2026-08-12 13:51 UTCEPSS rescore
  23. 2026-08-12 01:40 UTCEG score recompute
  24. 2026-08-11 12:49 UTCEG score recompute
  25. 2026-08-11 00:00 UTCEPSS rescore
Show 21 more
  1. 2026-08-09 22:14 UTCEG score recompute
  2. 2026-08-09 13:46 UTCEPSS rescore
  3. 2026-08-08 20:34 UTCEG score recompute
  4. 2026-08-08 16:37 UTCEPSS rescore
  5. 2026-08-07 18:51 UTCEG score recompute
  6. 2026-08-06 17:11 UTCEG score recompute
  7. 2026-08-06 13:47 UTCEPSS rescore
  8. 2026-08-06 04:21 UTCEG score recompute
  9. 2026-08-05 19:17 UTCEPSS rescore
  10. 2026-08-05 15:31 UTCEG score recompute
  11. 2026-08-05 14:38 UTCEG score recompute
  12. 2026-08-04 19:26 UTCEG score recompute
  13. 2026-08-04 18:56 UTCEG score recompute▲ 8.40
  14. 2026-08-04 18:55 UTCMITRE cvelistV5CVSS v3 → 8.4 · CVSS v4 → 8.4
  15. 2026-07-30 09:41 UTCEG score recompute
  16. 2026-07-26 20:54 UTCEG score recompute
  17. 2026-07-23 03:17 UTCEG score recompute
  18. 2026-06-14 23:18 UTCEPSS rescore
  19. 2026-06-13 23:00 UTCEPSS rescore
  20. 2026-06-12 23:12 UTCEPSS rescore
  21. 2026-06-11 13:56 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-47781?
CVE-2026-47781 is a high vulnerability published on June 11, 2026. PDM is a Python package and dependency manager. In versions up to and including 2.26.9, PDM automatically loads project-local plugins from a .pdm-plugins directory during initialization, allowing an attacker-controlled file in an untrusted repository checkout to execute arbitrary Python code before…
When was CVE-2026-47781 disclosed?
CVE-2026-47781 was first published in the National Vulnerability Database on June 11, 2026, with the most recent update on August 5, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47781 actively exploited?
CVE-2026-47781 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 97.0% of all scored CVEs.
What is the CVSS score of CVE-2026-47781?
CVE-2026-47781 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-47781?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47781, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-47781

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