{"id":"CVE-2026-72548","aliases":["EUVD-2026-56018","GHSA-5w47-3cxw-fxxf"],"status":"published","title":"OpenSignLabs OpenSign - Information Disclosure","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00614,"percentile":0.49883,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2026-08-11T11:09:58Z","modified":"2026-10-28T02:30:38Z","products":[{"vendor":"opensignlabs","product":"opensign"}],"references":[{"url":"https://github.com/OpenSignLabs/OpenSign","tags":["package"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72548","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5w47-3cxw-fxxf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72548.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-72548","title":"OpenSignLabs OpenSign - Information Disclosure","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","status":"published","published":"2026-08-11T11:09:58.964Z","modified":"2026-08-11T15:10:49.615Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:19:51.663093Z"}],"euvd":[{"id":"EUVD-2026-56018","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","status":"published","published":"2026-08-11T11:09:58Z","modified":"2026-08-11T15:10:49Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:59.926728Z"}],"ghsa":[{"id":"GHSA-5w47-3cxw-fxxf","title":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows...","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","status":"published","published":"2026-08-11T12:30:24Z","modified":"2026-08-11T12:30:28Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:10:17.025827Z"}],"nvd":[{"id":"CVE-2026-72548","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","status":"published","published":"2026-08-11T12:17:40.357Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:12:36.499002Z"}],"osv":[{"id":"CVE-2026-72548","title":"OpenSignLabs OpenSign - Information Disclosure","description":"An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any organisation tenant record via the gettenant Parse cloud function. The function accepts a contactId parameter and returns the full tenant record without authentication or authorization checks. An attacker can enumerate and disclose tenant configuration data for any organisation in the system.","status":"published","published":"2026-08-11T11:09:58.964Z","modified":"2026-10-28T02:30:38.057506651Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:45:15.88521Z"}]}}