Vulnerability-Lookup

CVE-2026-28812 (GCVE-0-2026-28812)

Vulnerability from cvelistv5 – Published: 2026-07-30 15:52 – Updated: 2026-07-31 15:28

Title

Apache JSPWiki: UserManager does not sanity-check user database at startup

Summary

UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges. Users are recommended to upgrade to version 2.12.4 or newer which fixes this issue.

Severity

9.8 (Critical)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator (v2.0.3)

CWE

Use of impersonation
CWE-290 - Authentication Bypass by Spoofing

Assigner

apache

References

2 references

URL	Tags
https://lists.apache.org/thread/n3m666d6t6871dldv…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache JSPWiki	Affected: 0 , < 2.12.4 (semver)

Credits

Florian Holeczek from Apache JSPWiki

Show details on NVD website

JSON

To clipboard

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GHSA-3QXC-7G4V-3GM9

Vulnerability from github – Published: 2026-07-30 18:31 – Updated: 2026-07-31 18:32

Details

Severity

9.8 (Critical)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-28812"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-30T16:17:10Z",
    "severity": "CRITICAL"
  },
  "details": "UserManager lack of checks allows impersonation in Apache JSPWiki up to 2.12.3 which may allow attackers to escalate privileges.\nUsers are recommended to upgrade to version 2.12.4 or newer which fixes this issue.",
  "id": "GHSA-3qxc-7g4v-3gm9",
  "modified": "2026-07-31T18:32:12Z",
  "published": "2026-07-30T18:31:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28812"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/n3m666d6t6871dldvz3ct49ooqkbgw2p"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/30/15"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-28812 (GCVE-0-2026-28812)

GHSA-3QXC-7G4V-3GM9

Tags

Sightings

Nomenclature