CVE-2024-40647

MEDIUMNVD 5.35.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 91% 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, nvd
5.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 5.3Exploit: NoneExposed: 0

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

sentry-sdk is the official Python SDK for Sentry.io. A bug in Sentry's Python SDK < 2.8.0 allows the environment variables to be passed to subprocesses despite the env={} setting. In Python's subprocess calls, all environment variables are passed to subprocesses by default. However, if you specifically do not want them to be passed to subprocesses, you may use env argument in subprocess calls. Due to the bug in Sentry SDK, with the Stdlib integration enabled (which is enabled by default), this expectation is not fulfilled, and all environment variables are being passed to subprocesses instead. The issue has been patched in pull request #3251 and is included in sentry-sdk==2.8.0. We strongly recommend upgrading to the latest SDK version. However, if it's not possible, and if passing environment variables to child processes poses a security risk for you, you can disable all default integrations.

CVSS v3
5.3
EG Score
5.3(medium)
EPSS
9.7%
KEV
Not listed

Published

July 18, 2024

Last Modified

June 1, 2026

References (15)

Vendor Advisories for CVE-2024-40647(2)

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

Affected Packages

(1 across 1 ecosystem)
PyPI(1)
PackageVulnerable rangeFixed inDependents
sentry-sdk0.1.0 ... 1.9.9 (224 versions)1.45.1—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 45× 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. 2026-07-12 05:45 UTCEPSS rescore
  2. 2026-07-12 05:45 UTCEPSS rescore
  3. 2026-07-11 08:26 UTCEPSS rescore
  4. 2026-07-11 03:22 UTCOSV refresh
  5. 2026-07-09 19:09 UTCEPSS rescore
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  7. 2026-07-08 15:14 UTCEPSS rescore
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  1. 2026-06-23 21:32 UTCEPSS rescore
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  3. 2026-06-22 14:25 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-22 10:32 UTCOSV refresh
  6. 2026-06-21 14:55 UTCEPSS rescore
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  9. 2026-06-19 19:25 UTCEPSS rescore
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  21. 2026-06-11 13:59 UTCEPSS rescore
  22. 2026-06-10 22:18 UTCEPSS rescore
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  24. 2026-06-08 14:16 UTCEPSS rescore
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  26. 2026-06-07 15:24 UTCEPSS rescore
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  28. 2026-06-06 13:46 UTCEPSS rescore
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  30. 2026-06-05 22:46 UTCEPSS rescore
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  32. 2026-06-05 06:09 UTCEPSS rescore
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  34. 2026-06-04 14:39 UTCOSV refresh
  35. 2026-06-04 13:11 UTCEPSS rescore
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  37. 2026-06-02 20:12 UTCEPSS rescore
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  45. 2026-05-29 13:43 UTCEPSS rescore
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  48. 2026-05-27 13:40 UTCEPSS rescore
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  50. 2026-05-26 13:43 UTCEPSS rescore
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  52. 2026-05-26 07:18 UTCEPSS rescore
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  55. 2026-05-23 00:09 UTCEG score recompute
  56. 2026-05-22 21:16 UTCEPSS rescore
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  60. 2026-05-22 00:15 UTCEG score recompute
  61. 2026-05-22 00:15 UTCVendor advisory
  62. 2026-05-21 22:42 UTCEPSS rescore
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Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-40647?
CVE-2024-40647 is a medium vulnerability published on July 18, 2024. sentry-sdk is the official Python SDK for Sentry.io. A bug in Sentry's Python SDK < 2.8.0 allows the environment variables to be passed to subprocesses despite the env={} setting. In Python's subprocess calls, all environment variables are passed to subprocesses by default. However, if you…
When was CVE-2024-40647 disclosed?
CVE-2024-40647 was first published in the National Vulnerability Database on July 18, 2024, with the most recent update on June 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-40647 actively exploited?
CVE-2024-40647 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-40647?
CVE-2024-40647 has a CVSS v3 base score of 5.3 (NVD).
How do I remediate CVE-2024-40647?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-40647, 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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