Vulnerability-Lookup

GHSA-5C78-M4XC-XX66

Vulnerability from github – Published: 2026-08-21 09:32 – Updated: 2026-08-21 09:32

Details

Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable via webhook delivery requests.

This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.

Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

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{
  "affected": [],
  "aliases": [
    "CVE-2026-59085"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-918"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-21T09:16:38Z",
    "severity": null
  },
  "details": "Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack\u0027s webhook module, exploitable via webhook delivery requests.\n\nThis issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.",
  "id": "GHSA-5c78-m4xc-xx66",
  "modified": "2026-08-21T09:32:05Z",
  "published": "2026-08-21T09:32:05Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59085"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2026-59085 (GCVE-0-2026-59085)

Vulnerability from cvelistv5 – Published: 2026-08-21 08:28 – Updated: 2026-08-21 08:28

Title

Apache CloudStack: Server-Side Request Forgery (SSRF) vulnerability in webhook module

Summary

Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack's webhook module, exploitable via webhook delivery requests. This issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue.

Severity

No CVSS data available.

CWE

CWE-918 - Server-Side Request Forgery (SSRF)

Assigner

apache mitre root

References

1 reference

URL	Tags
https://lists.apache.org/thread/g6cwddtjrwbh1d56w…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version
Apache Software Foundation	Apache CloudStack	Affected: 4.20.0.0 , ≤ 4.20.3.0 (semver) Affected: 4.21.0.0 , ≤ 4.22.1.0 (semver)

Credits

Jonathan Leitschuh <jonathan.leitschuh@gmail.com> Łukasz Bawolski <Lukasz.Bawolski@exea.pl> George Chen (GitHub: geo-chen)

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JSON

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache CloudStack",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "4.20.3.0",
              "status": "affected",
              "version": "4.20.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.22.1.0",
              "status": "affected",
              "version": "4.21.0.0",
              "versionType": "semver"
            }
          ]
        }
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          "type": "finder",
          "value": "Jonathan Leitschuh \u003cjonathan.leitschuh@gmail.com\u003e"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "\u0141ukasz Bawolski \u003cLukasz.Bawolski@exea.pl\u003e"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "George Chen (GitHub: geo-chen)"
        }
      ],
      "descriptions": [
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          "lang": "en",
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            }
          ],
          "value": "Server-Side Request Forgery (SSRF) vulnerability in Apache CloudStack\u0027s webhook module, exploitable via webhook delivery requests.\n\nThis issue affects Apache CloudStack: from 4.20.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0.\n\nUsers are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue."
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      ],
      "metrics": [
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          "other": {
            "content": {
              "text": "moderate"
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            "type": "Textual description of severity"
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          "descriptions": [
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      "providerMetadata": {
        "dateUpdated": "2026-08-21T08:28:51.468Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
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      "references": [
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          "tags": [
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          "url": "https://lists.apache.org/thread/g6cwddtjrwbh1d56wjz4cfp3fzfm4kbc"
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      "source": {
        "discovery": "UNKNOWN"
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  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "assignerShortName": "apache",
    "cveId": "CVE-2026-59085",
    "datePublished": "2026-08-21T08:28:51.468Z",
    "dateReserved": "2026-07-02T11:35:56.933Z",
    "dateUpdated": "2026-08-21T08:28:51.468Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
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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-5C78-M4XC-XX66

CVE-2026-59085 (GCVE-0-2026-59085)

Tags

Sightings

Nomenclature