5.6Medium
Broadcom Spring Batch
CVE-2026-47878
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
What this means for your business
- It affects Broadcom Spring Batch. It matters if your company, or a supplier that handles your data, runs it.
- An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.3% chance of attack attempts being seen in the next 30 days, ranking above 17% of all known flaws.
What to do
- 1Check whether your company or your suppliers run Broadcom Spring Batch, and which version. The affected versions are listed further down this page.
- 2If you do, apply the vendor's fix. A patch or vendor advisory has been published.
Not sure if your company is exposed?
Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.
Scoring
- CVSS
- 5.6 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L- Weakness
- CWE-502
- Assigned by
- security@vmware.com
Dates
- Published
- 2026-08-27
- Last modified
- 2026-09-10
- Sources
- NVD
Affected products
- Broadcom Spring Batch5.0.0 - 5.2.7, 6.0.0 - 6.0.4.1
As listed in the NVD configuration data. Not a statement about your estate.