CVE-2026-47842: Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation
Spring · Spring Security
Affected: Spring Security · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 4% of scored CVEs
DescriptionCVE.org
Applications using AesBytesEncryptor with the two-argument constructor or when passing a null IV generator and CBC as the encryption mode encrypt data with AES/CBC using a null (all-zero) initialization vector. Spring Security 7.1.0 Spring Security 7.0.0 - 7.0.6 Spring Security 6.5.0 - 6.5.11 Spring Security 6.4.0 - 6.4.18 Spring Security 5.8.0 - 5.8.27 Spring Security 5.7.0 - 5.7.25
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Spring · Spring Security7.1.0; from 7.0.0 up to and including 7.0.6; from 6.5.0 up to and including 6.5.11; from 6.4.0 up to and including 6.4.18; from 5.8.0 up to and including 5.8.27; from 5.7.0 up to and including 5.7.25
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Spring
- Published
- August 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-47842 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.