CVE-2026-123504 (GCVE-0-2026-123504)

Vulnerability from cvelistv5 – Published: 2026-11-08 01:37 – Updated: 2026-11-08 01:37
VLAI
Title
Vikunja 0.22.0 before 2.7.1 Webhook URL Credential Exposure to Read-Only Members
Summary
Vikunja from 0.22.0 before 2.7.1 contains an information disclosure vulnerability that allows read-only project members to view full webhook target URLs by listing project webhooks. Attackers can extract incoming-webhook tokens or API keys embedded in target_url values to post to receiving channels or reuse keys until rotated.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
VulnCheck CNA
References
Impacted products
Vendor Product Version
go-vikunja vikunja Affected: 0.22.0 , < 2.7.1 (semver)
Unaffected: 2.7.1 (semver)
    cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-10-22 00:00
Show details on NVD website
To clipboard 

{
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      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:golang/code.vikunja.io/api",
          "product": "vikunja",
          "vendor": "go-vikunja",
          "versions": [
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              "status": "affected",
              "version": "0.22.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "2.7.1",
              "versionType": "semver"
            }
          ]
        }
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      "cpeApplicability": [
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                  "vulnerable": true
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              "negate": false,
              "operator": "OR"
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      "datePublic": "2026-10-22T00:00:00.000Z",
      "descriptions": [
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        }
      ],
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N",
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            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "NONE"
          },
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
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      ],
      "problemTypes": [
        {
          "descriptions": [
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              "description": "Exposure of Sensitive Information to an Unauthorized Actor",
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      "providerMetadata": {
        "dateUpdated": "2026-11-08T01:37:19.759Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "GitHub Security Advisory (GHSA-586f-48mj-3rwr)",
          "tags": [
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          ],
          "url": "https://github.com/go-vikunja/vikunja/security/advisories/GHSA-586f-48mj-3rwr"
        },
        {
          "name": "VulnCheck Advisory: Vikunja 0.22.0 before 2.7.1 Webhook URL Credential Exposure to Read-Only Members",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.1-webhook-url-credential-exposure-to-read-only-members"
        }
      ],
      "title": "Vikunja 0.22.0 before 2.7.1 Webhook URL Credential Exposure to Read-Only Members",
      "x_generator": {
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    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-123504",
    "datePublished": "2026-11-08T01:37:19.759Z",
    "dateReserved": "2026-11-06T00:45:39.026Z",
    "dateUpdated": "2026-11-08T01:37:19.759Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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