Vulnerability-Lookup

Vulnerability from bitnami_vulndb

Published

2026-03-27 07:10

Modified

2026-03-27 07:40

Summary

Discourse has Improper Authorization in "Post Edits" Report For Moderators

Details

Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "discourse",
        "purl": "pkg:bitnami/discourse"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2026.1.0"
            },
            {
              "fixed": "2026.1.2"
            },
            {
              "introduced": "2026.2.0"
            },
            {
              "fixed": "2026.2.1"
            },
            {
              "introduced": "2026.3.0"
            },
            {
              "fixed": "2026.3.0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-33408"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*"
    ],
    "severity": "Low"
  },
  "details": "Discourse is an open-source discussion platform. Prior to versions 2026.3.0, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.",
  "id": "BIT-discourse-2026-33408",
  "modified": "2026-03-27T07:40:55.991Z",
  "published": "2026-03-27T07:10:59.380Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c"
    },
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1"
    },
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800"
    },
    {
      "type": "WEB",
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-wf9r-386h-g29c"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33408"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Discourse has Improper Authorization in \"Post Edits\" Report For Moderators"
}

CVE-2026-33408 (GCVE-0-2026-33408)

Vulnerability from cvelistv5 – Published: 2026-03-19 22:35 – Updated: 2026-03-20 20:08

Title

Discourse has Improper Authorization in "Post Edits" Report For Moderators

Summary

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.

Severity ?

2.2 (Low)


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

CWE

CWE-862 - Missing Authorization

Assigner

GitHub_M

References

URL

Tags

	https://github.com/discourse/discourse/security/a…	x_refsource_CONFIRM
	https://github.com/discourse/discourse/commit/3bf…	x_refsource_MISC
	https://github.com/discourse/discourse/commit/473…	x_refsource_MISC
	https://github.com/discourse/discourse/commit/627…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	discourse	discourse	Affected: >= 2026.1.0-latest, < 2026.1.2 Affected: >= 2026.2.0-latest, < 2026.2.1 Affected: = 2026.3.0-latest

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-33408",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-20T20:08:28.178776Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-20T20:08:36.220Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003e= 2026.1.0-latest, \u003c 2026.1.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 2026.2.0-latest, \u003c 2026.2.1"
            },
            {
              "status": "affected",
              "version": "= 2026.3.0-latest"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, moderators were able to see the first 40 characters of post edits in PMs and private categories. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 2.2,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862: Missing Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-19T22:35:14.367Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/discourse/discourse/security/advisories/GHSA-wf9r-386h-g29c",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/discourse/discourse/security/advisories/GHSA-wf9r-386h-g29c"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/3bf3793a708662716c0a4eaf64ae091abe71ab4c"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/473288219e93cd17576cf15e4f0b9e388a31d0c1"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/62721429d4402505d21280bcbe5894032447d800"
        }
      ],
      "source": {
        "advisory": "GHSA-wf9r-386h-g29c",
        "discovery": "UNKNOWN"
      },
      "title": "Discourse has Improper Authorization in \"Post Edits\" Report For Moderators"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-33408",
    "datePublished": "2026-03-19T22:35:14.367Z",
    "dateReserved": "2026-03-19T17:02:34.171Z",
    "dateUpdated": "2026-03-20T20:08:36.220Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

Vulnerability from bitnami_vulndb

CVE-2026-33408 (GCVE-0-2026-33408)

Tags

Sightings

Nomenclature