Vulnerability-Lookup

GHSA-7274-W8XR-FR2W

Vulnerability from github – Published: 2026-08-26 21:31 – Updated: 2026-08-26 21:31

Details

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

Severity

6.5 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-47842"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-26T20:17:25Z",
    "severity": "MODERATE"
  },
  "details": "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.\nSpring Security 7.1.0\nSpring Security 7.0.0 - 7.0.6\nSpring Security 6.5.0 - 6.5.11\nSpring Security 6.4.0 - 6.4.18\nSpring Security 5.8.0 - 5.8.27\nSpring Security 5.7.0 - 5.7.25",
  "id": "GHSA-7274-w8xr-fr2w",
  "modified": "2026-08-26T21:31:43Z",
  "published": "2026-08-26T21:31:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-47842"
    },
    {
      "type": "WEB",
      "url": "https://spring.io/security/cve-2026-47842"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-47842 (GCVE-0-2026-47842)

Vulnerability from cvelistv5 – Published: 2026-08-26 19:22 – Updated: 2026-08-26 19:45

Title

Deterministic AES/CBC Encryption in Spring Security AesBytesEncryptor Allows Ciphertext Correlation

Summary

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-26 19:31 UTC

CWE

CWE-329 Generation of Predictable IV with CBC Mode

Assigner

vmware mitre root

References

1 reference

URL	Tags
https://spring.io/security/cve-2026-47842

Impacted products

1 product

Vendor	Product	Version
Spring	Spring Security	Affected: 7.1.0 (custom) Affected: 7.0.0 , ≤ 7.0.6 (custom) Affected: 6.5.0 , ≤ 6.5.11 (custom) Affected: 6.4.0 , ≤ 6.4.18 (custom) Affected: 5.8.0 , ≤ 5.8.27 (custom) Affected: 5.7.0 , ≤ 5.7.25 (custom)

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        "metrics": [
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                "id": "CVE-2026-47842",
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-08-26T19:31:49.138588Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-08-26T19:45:25.424Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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          "url": "https://spring.io/security/cve-2026-47842"
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    "dateReserved": "2026-05-20T10:00:51.004Z",
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-7274-W8XR-FR2W

CVE-2026-47842 (GCVE-0-2026-47842)

Tags

Sightings

Nomenclature