CVE-2023-48887

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-12-02. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.6%CVSS: 9.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

A deserialization vulnerability in Jupiter v1.3.1 allows attackers to execute arbitrary commands via sending a crafted RPC request.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
49
EG Risk 49/100CISA SSVC

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
Severity98% × 45%
Exploitation2% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
1.6%
EPSS %ILE
74th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

December 1, 2023

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Oct 5, 2026
Patch available. Sources: github_release.
github_release Patch Available

JNDI-Injection-Exploit v1.0

Patch available: welk1n/JNDI-Injection-Exploit v1.0

https://github.com/welk1n/JNDI-Injection-Exploit/releases/tag/v1.0
generic

Kryo Deserialization Vulnerability in Jupiter v1.3.1 · Issue #115 · fengjiachun/Jupiter · GitHub

https://github.com/fengjiachun/Jupiter/issues/115
generic

GitHub - fengjiachun/Jupiter: Jupiter是一款性能非常不错的, 轻量级的分布式服务框架 · GitHub

https://github.com/fengjiachun/Jupiter

Patch Availability(1)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
mavenorg.jupiter-rpc:jupiter-rpc—ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)
Maven(1)
PackageVulnerable rangeFix by version rangeDependents
org.jupiter-rpc:jupiter-rpc1.2.0 ... 1.3.1-beta-2 (38 versions)
  • every version through 1.3.1: no fix on record
—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 32× 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 192 total refreshes for this CVE.

  1. 2026-10-10 19:57 UTCEPSS rescore
  2. 2026-10-09 22:33 UTCOSV refresh
  3. 2026-10-09 20:05 UTCEPSS rescore
  4. 2026-10-08 17:06 UTCEPSS rescore
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  10. 2026-10-01 19:48 UTCEPSS rescore
  11. 2026-09-30 16:34 UTCEG score recompute
  12. 2026-09-30 15:01 UTCEPSS rescore
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  14. 2026-09-28 13:49 UTCEPSS rescore
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  23. 2026-09-20 20:14 UTCEPSS rescore
  24. 2026-09-20 06:43 UTCOSV refresh
  25. 2026-09-18 19:26 UTCEPSS rescore
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  1. 2026-09-17 19:25 UTCEPSS rescore
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  17. 2026-09-01 13:51 UTCEPSS rescore
  18. 2026-09-01 09:59 UTCOSV refresh
  19. 2026-09-01 04:35 UTCEPSS rescore
  20. 2026-08-30 19:15 UTCEPSS rescore
  21. 2026-08-30 01:20 UTCEPSS rescore
  22. 2026-08-28 21:39 UTCEPSS rescore
  23. 2026-08-27 14:23 UTCEPSS rescore
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  25. 2026-08-25 13:46 UTCEPSS rescore
  26. 2026-08-24 14:14 UTCEPSS rescore
  27. 2026-08-23 00:17 UTCEPSS rescore
  28. 2026-08-21 23:47 UTCEPSS rescore
  29. 2026-08-20 22:53 UTCEPSS rescore
  30. 2026-08-19 17:02 UTCEPSS rescore
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  32. 2026-08-18 13:46 UTCEPSS rescore
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  34. 2026-08-16 14:54 UTCEPSS rescore
  35. 2026-08-16 02:12 UTCEPSS rescore
  36. 2026-08-15 09:37 UTCOSV refresh
  37. 2026-08-15 01:28 UTCEPSS rescore
  38. 2026-08-13 21:58 UTCEPSS rescore
  39. 2026-08-12 13:49 UTCEPSS rescore
  40. 2026-08-11 13:40 UTCEPSS rescore
  41. 2026-08-10 23:57 UTCEPSS rescore
  42. 2026-08-09 13:44 UTCEPSS rescore
  43. 2026-08-09 13:44 UTCEPSS rescore
  44. 2026-08-08 16:35 UTCEPSS rescore
  45. 2026-08-07 16:25 UTCEPSS rescore
  46. 2026-08-06 13:45 UTCEPSS rescore
  47. 2026-08-05 19:15 UTCEPSS rescore
  48. 2026-08-04 15:07 UTCEPSS rescore
  49. 2026-08-04 10:35 UTCEPSS rescore
  50. 2026-08-03 10:34 UTCEPSS rescore
  51. 2026-08-03 10:34 UTCEPSS rescore
  52. 2026-08-02 02:25 UTCEPSS rescore
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  54. 2026-08-01 04:14 UTCEPSS rescore
  55. 2026-07-30 21:21 UTCOSV refresh
  56. 2026-07-30 16:26 UTCEPSS rescore
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  58. 2026-07-30 01:28 UTCEPSS rescore
  59. 2026-07-28 15:34 UTCEPSS rescore
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  61. 2026-07-27 14:10 UTCEPSS rescore
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  65. 2026-07-24 14:16 UTCEPSS rescore
  66. 2026-07-23 14:16 UTCEPSS rescore
  67. 2026-07-23 02:28 UTCEG score recompute
  68. 2026-07-22 23:14 UTCEG score recompute
  69. 2026-07-22 14:06 UTCEPSS rescore
  70. 2026-07-21 15:23 UTCEPSS rescore
  71. 2026-07-21 15:23 UTCEPSS rescore
  72. 2026-07-20 17:06 UTCEPSS rescore
  73. 2026-07-19 14:29 UTCEPSS rescore
  74. 2026-07-19 14:29 UTCEPSS rescore
  75. 2026-07-19 02:27 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2023-48887?
CVE-2023-48887 is a critical vulnerability published on December 1, 2023. A deserialization vulnerability in Jupiter v1.3.1 allows attackers to execute arbitrary commands via sending a crafted RPC request.
When was CVE-2023-48887 disclosed?
CVE-2023-48887 was first published on December 1, 2023, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-48887 actively exploited?
CVE-2023-48887 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.6% probability of exploitation in the next 30 days (74th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2023-48887?
CVE-2023-48887 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-48887?
A fix for CVE-2023-48887 is available: update to the fixed version the vendor names in its advisory.

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