CVE-2026-47842
Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.15 % · percentile 4 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- vmware
- NVD status
- Analyzed
Description
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
Weaknesses (CWE)
- CWE-326 — Inadequate Encryption Strength
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | vmware |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | NVD · security@vmware.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-66677
- GCVE · GCVE-0-2026-47842
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 5.7.0 < 5.7.26cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 5.8.0 < 5.8.28cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 6.4.0 < 6.4.19cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 6.5.0 < 6.5.12cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 7.0.0 < 7.0.6.1cpe:2.3:a:vmware:spring_security:*:*:*:*:*:*:*:*≥ 7.1.0 < 7.1.0.1
Affected products
| Product | Versions |
|---|---|
| Spring · Spring Security | affected 7.1.0 ; affected 7.0.0 ≤ 7.0.6 ; affected 6.5.0 ≤ 6.5.11 ; affected 6.4.0 ≤ 6.4.18 ; affected 5.8.0 ≤ 5.8.27 ; affected 5.7.0 ≤ 5.7.25 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |