CVE-2026-47878

HIGHNVD 7.37.3
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.3 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 82% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: None knownExposed: 0

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

DefaultExecutionContextSerializer, used by default in Spring Batch's JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject() without an ObjectInputFilter that restricts types to a trusted class allowlist. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.6 and earlier

CVSS v3
7.3
EG Score
7.3(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: 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
Severity73% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
18%
KEV
Not listed

Published

August 27, 2026

Last Modified

September 10, 2026

Advisory Details (1)

Auto-updated Aug 27, 2026
No patch confirmed yet.
generic

Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist

https://spring.io/security/cve-2026-47878

Vendor Advisories for CVE-2026-47878(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 23× in last 7d / 77× 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. 2026-09-21 03:09 UTCEG score recompute
  2. 2026-09-21 03:09 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 14:06 UTCGHSA enrichment
  5. 2026-09-20 01:04 UTCEG score recompute
  6. 2026-09-20 01:04 UTCGHSA enrichment
  7. 2026-09-19 12:02 UTCGHSA enrichment
  8. 2026-09-18 22:59 UTCEG score recompute
  9. 2026-09-18 22:59 UTCGHSA enrichment
  10. 2026-09-18 19:28 UTCEPSS rescore
  11. 2026-09-18 09:58 UTCGHSA enrichment
  12. 2026-09-17 20:56 UTCEG score recompute
  13. 2026-09-17 20:56 UTCGHSA enrichment
  14. 2026-09-17 04:01 UTCGHSA enrichment
  15. 2026-09-16 14:59 UTCEG score recompute
  16. 2026-09-16 14:59 UTCGHSA enrichment
  17. 2026-09-16 14:08 UTCEPSS rescore
  18. 2026-09-16 05:15 UTCEPSS rescore
  19. 2026-09-16 01:57 UTCGHSA enrichment
  20. 2026-09-15 12:55 UTCEG score recompute
  21. 2026-09-15 12:55 UTCGHSA enrichment
  22. 2026-09-14 23:53 UTCGHSA enrichment
  23. 2026-09-14 10:51 UTCGHSA enrichment
  24. 2026-09-13 21:49 UTCEG score recompute
  25. 2026-09-13 21:49 UTCGHSA enrichment
Show 52 more
  1. 2026-09-13 16:47 UTCEPSS rescore
  2. 2026-09-13 08:47 UTCGHSA enrichment
  3. 2026-09-12 19:45 UTCEG score recompute
  4. 2026-09-12 19:45 UTCGHSA enrichment
  5. 2026-09-12 06:43 UTCGHSA enrichment
  6. 2026-09-11 17:41 UTCEG score recompute
  7. 2026-09-11 17:41 UTCGHSA enrichment
  8. 2026-09-11 14:53 UTCEPSS rescore
  9. 2026-09-11 04:39 UTCGHSA enrichment
  10. 2026-09-10 15:37 UTCEG score recompute 1.70
  11. 2026-09-10 15:37 UTCGHSA enrichment
  12. 2026-09-10 15:37 UTCNVD updateCVSS v3 → 7.3 · severity → HIGH
  13. 2026-09-10 09:35 UTCEPSS rescore
  14. 2026-09-10 02:46 UTCGHSA enrichment
  15. 2026-09-09 00:45 UTCEG score recompute
  16. 2026-09-09 00:45 UTCGHSA enrichment
  17. 2026-09-08 22:00 UTCEPSS rescore
  18. 2026-09-07 16:01 UTCEPSS rescore
  19. 2026-09-07 15:08 UTCEG score recompute
  20. 2026-09-07 15:08 UTCGHSA enrichment
  21. 2026-09-06 13:47 UTCEPSS rescore
  22. 2026-09-06 11:31 UTCEG score recompute
  23. 2026-09-06 11:31 UTCGHSA enrichment
  24. 2026-09-05 09:30 UTCEG score recompute
  25. 2026-09-05 09:30 UTCGHSA enrichment
  26. 2026-09-04 07:29 UTCEG score recompute
  27. 2026-09-04 07:28 UTCGHSA enrichment
  28. 2026-09-04 05:06 UTCEPSS rescore
  29. 2026-09-03 05:21 UTCEG score recompute
  30. 2026-09-03 05:20 UTCGHSA enrichment
  31. 2026-09-02 14:12 UTCEPSS rescore
  32. 2026-09-02 03:17 UTCEG score recompute
  33. 2026-09-02 03:17 UTCGHSA enrichment
  34. 2026-09-01 13:54 UTCEPSS rescore
  35. 2026-09-01 01:11 UTCGHSA enrichment
  36. 2026-08-30 23:10 UTCEG score recompute
  37. 2026-08-30 23:10 UTCGHSA enrichment
  38. 2026-08-30 19:17 UTCEPSS rescore
  39. 2026-08-30 01:22 UTCEPSS rescore
  40. 2026-08-29 21:09 UTCEG score recompute
  41. 2026-08-29 21:08 UTCGHSA enrichment
  42. 2026-08-28 21:41 UTCEPSS rescore
  43. 2026-08-28 19:06 UTCGHSA enrichment
  44. 2026-08-27 17:28 UTCEG score recompute
  45. 2026-08-27 17:28 UTCGHSA enrichment
  46. 2026-08-27 17:04 UTCEG score recompute
  47. 2026-08-27 17:04 UTCGHSA enrichment
  48. 2026-08-27 14:25 UTCEPSS rescore
  49. 2026-08-27 06:38 UTCEG score recompute
  50. 2026-08-27 06:38 UTCGHSA enrichment
  51. 2026-08-27 06:14 UTCEG score recompute
  52. 2026-08-27 06:11 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-47878?
CVE-2026-47878 is a high vulnerability published on August 27, 2026. DefaultExecutionContextSerializer, used by default in Spring Batch's JDBC job repository, passes Base64-decoded bytes directly to ObjectInputStream.readObject() without an ObjectInputFilter that restricts types to a trusted class allowlist. Spring Batch 6.0.0 - 6.0.4 Spring Batch 5.2.6 and earlier
When was CVE-2026-47878 disclosed?
CVE-2026-47878 was first published in the National Vulnerability Database on August 27, 2026, with the most recent update on September 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-47878 actively exploited?
CVE-2026-47878 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 82.4% of all scored CVEs.
What is the CVSS score of CVE-2026-47878?
CVE-2026-47878 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-47878?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-47878, 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

Explore the affected products and dependency analysis for CVE-2026-47878

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