CVE-2024-52587

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 2.7%, top 16% 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
Trending — 3 sources updated this week
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 3%CVSS: 8.8Exploit: None knownExposed: 0

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

StepSecurity's Harden-Runner provides network egress filtering and runtime security for GitHub-hosted and self-hosted runners. Versions of step-security/harden-runner prior to v2.10.2 contain multiple command injection weaknesses via environment variables that could potentially be exploited under specific conditions. However, due to the current execution order of pre-steps in GitHub Actions and the placement of harden-runner as the first step in a job, the likelihood of exploitation is low as the Harden-Runner action reads the environment variable during the pre-step stage. There are no known exploits at this time. Version 2.10.2 contains a patch.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
41(Track)
EG Risk 41/100SSVC: Track

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
Severity88% × 45%
Exploitation3% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
3%
EPSS %ILE
84%
KEV
Not listed

Published

November 18, 2024

Last Modified

April 15, 2026

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 43× 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.

Showing the most recent 100 of 124 total refreshes for this CVE.

  1. 2026-07-28 07:25 UTCOSV refresh
  2. 2026-07-27 14:11 UTCEPSS rescore
  3. 2026-07-26 14:53 UTCEPSS rescore
  4. 2026-07-26 14:53 UTCEPSS rescore
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  10. 2026-07-23 02:43 UTCEG score recompute
  11. 2026-07-22 14:07 UTCEPSS rescore
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  24. 2026-07-15 01:59 UTCEPSS rescore
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  1. 2026-07-13 22:29 UTCEPSS rescore
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  5. 2026-07-11 08:26 UTCEPSS rescore
  6. 2026-07-10 23:41 UTCOSV refresh
  7. 2026-07-09 19:09 UTCEPSS rescore
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  9. 2026-07-08 15:14 UTCEPSS rescore
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  23. 2026-06-25 13:49 UTCEPSS rescore
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  26. 2026-06-23 21:32 UTCEPSS rescore
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  28. 2026-06-22 14:25 UTCEPSS rescore
  29. 2026-06-22 14:25 UTCEPSS rescore
  30. 2026-06-22 07:17 UTCOSV refresh
  31. 2026-06-21 14:56 UTCEPSS rescore
  32. 2026-06-21 01:59 UTCEPSS rescore
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  42. 2026-06-14 23:17 UTCEPSS rescore
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  46. 2026-06-12 23:11 UTCEPSS rescore
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  48. 2026-06-11 13:59 UTCEPSS rescore
  49. 2026-06-10 22:18 UTCEPSS rescore
  50. 2026-06-10 13:21 UTCEPSS rescore
  51. 2026-06-08 14:16 UTCEPSS rescore
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  53. 2026-06-07 15:24 UTCEPSS rescore
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  55. 2026-06-06 13:46 UTCEPSS rescore
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  57. 2026-06-05 22:46 UTCEPSS rescore
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  59. 2026-06-05 06:09 UTCEPSS rescore
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  61. 2026-06-04 13:11 UTCEPSS rescore
  62. 2026-06-04 13:11 UTCEPSS rescore
  63. 2026-06-04 06:39 UTCOSV refresh
  64. 2026-06-02 20:12 UTCEPSS rescore
  65. 2026-06-01 13:51 UTCEPSS rescore
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  74. 2026-05-28 13:44 UTCEPSS rescore
  75. 2026-05-27 13:40 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2024-52587?
CVE-2024-52587 is a high vulnerability published on November 18, 2024. StepSecurity's Harden-Runner provides network egress filtering and runtime security for GitHub-hosted and self-hosted runners. Versions of step-security/harden-runner prior to v2.10.2 contain multiple command injection weaknesses via environment variables that could potentially be exploited under…
When was CVE-2024-52587 disclosed?
CVE-2024-52587 was first published in the National Vulnerability Database on November 18, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-52587 actively exploited?
CVE-2024-52587 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3% probability of exploitation in the next 30 days, which ranks it in the top 15.7% of all scored CVEs.
What is the CVSS score of CVE-2024-52587?
CVE-2024-52587 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2024-52587?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-52587, 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.

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