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
CVE-2026-47878
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.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- 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 computedSeverity73% × 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, 2026Unsafe Java deserialization in DefaultExecutionContextSerializer without class allowlist
https://spring.io/security/cve-2026-47878Vendor 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.
- 2026-09-21 03:09 UTCEG score recompute
- 2026-09-21 03:09 UTCGHSA enrichment
- 2026-09-20 20:16 UTCEPSS rescore
- 2026-09-20 14:06 UTCGHSA enrichment
- 2026-09-20 01:04 UTCEG score recompute
- 2026-09-20 01:04 UTCGHSA enrichment
- 2026-09-19 12:02 UTCGHSA enrichment
- 2026-09-18 22:59 UTCEG score recompute
- 2026-09-18 22:59 UTCGHSA enrichment
- 2026-09-18 19:28 UTCEPSS rescore
- 2026-09-18 09:58 UTCGHSA enrichment
- 2026-09-17 20:56 UTCEG score recompute
- 2026-09-17 20:56 UTCGHSA enrichment
- 2026-09-17 04:01 UTCGHSA enrichment
- 2026-09-16 14:59 UTCEG score recompute
- 2026-09-16 14:59 UTCGHSA enrichment
- 2026-09-16 14:08 UTCEPSS rescore
- 2026-09-16 05:15 UTCEPSS rescore
- 2026-09-16 01:57 UTCGHSA enrichment
- 2026-09-15 12:55 UTCEG score recompute
- 2026-09-15 12:55 UTCGHSA enrichment
- 2026-09-14 23:53 UTCGHSA enrichment
- 2026-09-14 10:51 UTCGHSA enrichment
- 2026-09-13 21:49 UTCEG score recompute
- 2026-09-13 21:49 UTCGHSA enrichment
Show 52 moreShow fewer
- 2026-09-13 16:47 UTCEPSS rescore
- 2026-09-13 08:47 UTCGHSA enrichment
- 2026-09-12 19:45 UTCEG score recompute
- 2026-09-12 19:45 UTCGHSA enrichment
- 2026-09-12 06:43 UTCGHSA enrichment
- 2026-09-11 17:41 UTCEG score recompute
- 2026-09-11 17:41 UTCGHSA enrichment
- 2026-09-11 14:53 UTCEPSS rescore
- 2026-09-11 04:39 UTCGHSA enrichment
- 2026-09-10 15:37 UTCEG score recompute▲ 1.70
- 2026-09-10 15:37 UTCGHSA enrichment
- 2026-09-10 15:37 UTCNVD updateCVSS v3 → 7.3 · severity → HIGH
- 2026-09-10 09:35 UTCEPSS rescore
- 2026-09-10 02:46 UTCGHSA enrichment
- 2026-09-09 00:45 UTCEG score recompute
- 2026-09-09 00:45 UTCGHSA enrichment
- 2026-09-08 22:00 UTCEPSS rescore
- 2026-09-07 16:01 UTCEPSS rescore
- 2026-09-07 15:08 UTCEG score recompute
- 2026-09-07 15:08 UTCGHSA enrichment
- 2026-09-06 13:47 UTCEPSS rescore
- 2026-09-06 11:31 UTCEG score recompute
- 2026-09-06 11:31 UTCGHSA enrichment
- 2026-09-05 09:30 UTCEG score recompute
- 2026-09-05 09:30 UTCGHSA enrichment
- 2026-09-04 07:29 UTCEG score recompute
- 2026-09-04 07:28 UTCGHSA enrichment
- 2026-09-04 05:06 UTCEPSS rescore
- 2026-09-03 05:21 UTCEG score recompute
- 2026-09-03 05:20 UTCGHSA enrichment
- 2026-09-02 14:12 UTCEPSS rescore
- 2026-09-02 03:17 UTCEG score recompute
- 2026-09-02 03:17 UTCGHSA enrichment
- 2026-09-01 13:54 UTCEPSS rescore
- 2026-09-01 01:11 UTCGHSA enrichment
- 2026-08-30 23:10 UTCEG score recompute
- 2026-08-30 23:10 UTCGHSA enrichment
- 2026-08-30 19:17 UTCEPSS rescore
- 2026-08-30 01:22 UTCEPSS rescore
- 2026-08-29 21:09 UTCEG score recompute
- 2026-08-29 21:08 UTCGHSA enrichment
- 2026-08-28 21:41 UTCEPSS rescore
- 2026-08-28 19:06 UTCGHSA enrichment
- 2026-08-27 17:28 UTCEG score recompute
- 2026-08-27 17:28 UTCGHSA enrichment
- 2026-08-27 17:04 UTCEG score recompute
- 2026-08-27 17:04 UTCGHSA enrichment
- 2026-08-27 14:25 UTCEPSS rescore
- 2026-08-27 06:38 UTCEG score recompute
- 2026-08-27 06:38 UTCGHSA enrichment
- 2026-08-27 06:14 UTCEG score recompute
- 2026-08-27 06:11 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-502
Frequently asked(5)
What is CVE-2026-47878?
When was CVE-2026-47878 disclosed?
Is CVE-2026-47878 actively exploited?
What is the CVSS score of CVE-2026-47878?
How do I remediate CVE-2026-47878?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-47878
Is Your Infrastructure Affected by CVE-2026-47878?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.