CVE-2026-61484

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-05. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
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%CVSS: 9.8Exploit: None knownExposed: 0

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

UNSUPPORTED WHEN ASSIGNED Deserialization of Untrusted Data vulnerability in Apache Lucy.

This issue affects Apache Lucy: all versions.

As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.

NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

August 5, 2026

Last Modified

August 6, 2026

Advisory Details (2)

Auto-updated Aug 20, 2026
No patch confirmed yet.
generic

oss-security - CVE-2026-61484: Apache Lucy: LucyX::Remote::SearchServer unauthenticated remote Storable::thaw -> RCE/DoS

http://www.openwall.com/lists/oss-security/2026/08/05/5
generic
https://lists.apache.org/thread/942t3pwgz2nrhnklrtyt5zr7g4wqc9cb

Vendor Advisories for CVE-2026-61484(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 57× in last 7d / 140× 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 140 total refreshes for this CVE.

  1. 2026-08-21 01:19 UTCEG score recompute
  2. 2026-08-21 01:19 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 21:39 UTCGHSA enrichment
  5. 2026-08-20 18:00 UTCGHSA enrichment
  6. 2026-08-20 14:20 UTCGHSA enrichment
  7. 2026-08-20 09:33 UTCGHSA enrichment
  8. 2026-08-20 05:54 UTCGHSA enrichment
  9. 2026-08-20 02:14 UTCGHSA enrichment
  10. 2026-08-19 22:34 UTCGHSA enrichment
  11. 2026-08-19 18:54 UTCEG score recompute
  12. 2026-08-19 18:54 UTCGHSA enrichment
  13. 2026-08-19 17:04 UTCEPSS rescore
  14. 2026-08-19 14:07 UTCGHSA enrichment
  15. 2026-08-19 10:27 UTCGHSA enrichment
  16. 2026-08-19 06:48 UTCGHSA enrichment
  17. 2026-08-19 03:01 UTCGHSA enrichment
  18. 2026-08-18 23:06 UTCGHSA enrichment
  19. 2026-08-18 19:27 UTCGHSA enrichment
  20. 2026-08-18 15:47 UTCEG score recompute
  21. 2026-08-18 15:47 UTCGHSA enrichment
  22. 2026-08-18 13:48 UTCEPSS rescore
  23. 2026-08-18 10:12 UTCGHSA enrichment
  24. 2026-08-18 06:32 UTCGHSA enrichment
  25. 2026-08-18 02:52 UTCGHSA enrichment
Show 75 more
  1. 2026-08-17 23:12 UTCGHSA enrichment
  2. 2026-08-17 19:32 UTCGHSA enrichment
  3. 2026-08-17 15:24 UTCEG score recompute
  4. 2026-08-17 15:24 UTCGHSA enrichment
  5. 2026-08-17 13:47 UTCEPSS rescore
  6. 2026-08-17 11:44 UTCGHSA enrichment
  7. 2026-08-17 08:02 UTCGHSA enrichment
  8. 2026-08-17 04:23 UTCGHSA enrichment
  9. 2026-08-17 00:43 UTCGHSA enrichment
  10. 2026-08-16 21:03 UTCGHSA enrichment
  11. 2026-08-16 17:23 UTCEG score recompute
  12. 2026-08-16 17:23 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 13:43 UTCGHSA enrichment
  15. 2026-08-16 10:03 UTCGHSA enrichment
  16. 2026-08-16 06:23 UTCGHSA enrichment
  17. 2026-08-16 02:44 UTCEG score recompute
  18. 2026-08-16 02:44 UTCGHSA enrichment
  19. 2026-08-15 23:04 UTCGHSA enrichment
  20. 2026-08-15 19:24 UTCGHSA enrichment
  21. 2026-08-15 15:44 UTCGHSA enrichment
  22. 2026-08-15 12:04 UTCGHSA enrichment
  23. 2026-08-15 08:24 UTCGHSA enrichment
  24. 2026-08-15 04:44 UTCEG score recompute
  25. 2026-08-15 04:44 UTCGHSA enrichment
  26. 2026-08-15 01:30 UTCEPSS rescore
  27. 2026-08-15 01:04 UTCGHSA enrichment
  28. 2026-08-14 21:25 UTCGHSA enrichment
  29. 2026-08-14 17:45 UTCGHSA enrichment
  30. 2026-08-14 14:02 UTCGHSA enrichment
  31. 2026-08-14 10:22 UTCGHSA enrichment
  32. 2026-08-14 06:43 UTCGHSA enrichment
  33. 2026-08-14 03:03 UTCGHSA enrichment
  34. 2026-08-13 23:24 UTCEG score recompute
  35. 2026-08-13 23:24 UTCGHSA enrichment
  36. 2026-08-13 22:00 UTCEPSS rescore
  37. 2026-08-13 19:43 UTCGHSA enrichment
  38. 2026-08-13 16:03 UTCGHSA enrichment
  39. 2026-08-13 12:17 UTCGHSA enrichment
  40. 2026-08-13 08:38 UTCGHSA enrichment
  41. 2026-08-13 04:58 UTCGHSA enrichment
  42. 2026-08-13 01:18 UTCGHSA enrichment
  43. 2026-08-12 21:39 UTCGHSA enrichment
  44. 2026-08-12 17:59 UTCGHSA enrichment
  45. 2026-08-12 14:19 UTCEG score recompute
  46. 2026-08-12 14:19 UTCGHSA enrichment
  47. 2026-08-12 13:51 UTCEPSS rescore
  48. 2026-08-12 10:40 UTCGHSA enrichment
  49. 2026-08-12 07:00 UTCGHSA enrichment
  50. 2026-08-12 03:20 UTCGHSA enrichment
  51. 2026-08-11 23:40 UTCGHSA enrichment
  52. 2026-08-11 20:00 UTCGHSA enrichment
  53. 2026-08-11 16:20 UTCEG score recompute
  54. 2026-08-11 16:20 UTCGHSA enrichment
  55. 2026-08-11 12:40 UTCGHSA enrichment
  56. 2026-08-11 08:58 UTCGHSA enrichment
  57. 2026-08-11 05:19 UTCGHSA enrichment
  58. 2026-08-11 01:39 UTCEG score recompute
  59. 2026-08-11 01:39 UTCGHSA enrichment
  60. 2026-08-11 00:00 UTCEPSS rescore
  61. 2026-08-10 22:00 UTCGHSA enrichment
  62. 2026-08-10 18:20 UTCGHSA enrichment
  63. 2026-08-10 14:40 UTCGHSA enrichment
  64. 2026-08-10 11:00 UTCGHSA enrichment
  65. 2026-08-10 07:20 UTCGHSA enrichment
  66. 2026-08-10 03:41 UTCGHSA enrichment
  67. 2026-08-10 00:01 UTCGHSA enrichment
  68. 2026-08-09 20:21 UTCGHSA enrichment
  69. 2026-08-09 16:42 UTCEG score recompute
  70. 2026-08-09 16:42 UTCGHSA enrichment
  71. 2026-08-09 13:47 UTCEPSS rescore
  72. 2026-08-09 13:02 UTCGHSA enrichment
  73. 2026-08-09 09:22 UTCGHSA enrichment
  74. 2026-08-09 05:43 UTCGHSA enrichment
  75. 2026-08-09 02:03 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-61484?
CVE-2026-61484 is a critical vulnerability published on August 5, 2026. UNSUPPORTED WHEN ASSIGNED Deserialization of Untrusted Data vulnerability in Apache Lucy. This issue affects Apache Lucy: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the…
When was CVE-2026-61484 disclosed?
CVE-2026-61484 was first published in the National Vulnerability Database on August 5, 2026, with the most recent update on August 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-61484 actively exploited?
CVE-2026-61484 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 56.1% of all scored CVEs.
What is the CVSS score of CVE-2026-61484?
CVE-2026-61484 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-61484?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-61484, 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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