CVE-2026-72549

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Source
https://cve.org/CVERecord?id=CVE-2026-72549
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72549.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-72549
Published
2026-08-11T11:10:11Z
Modified
2026-09-05T03:30:21Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N CVSS Calculator
Summary
OpenSignLabs OpenSign - Information Disclosure
Details

An information disclosure vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to map any email address or username to its internal user objectId via the getUserId Parse cloud function. The function performs no authentication before resolving and returning the internal identifier. An attacker can use this to enumerate user accounts and target subsequent attacks.

Database specific 
{
    "cna_assigner": "TuranSec",
    "cwe_ids": [
        "CWE-200"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72549.json"
}
References

Affected packages

Git / github.com/opensignlabs/opensign

Affected ranges

Type
GIT
Repo
https://github.com/opensignlabs/opensign
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a56b87a7020de74b0f7dda29d7ec3de382a456bb
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.37.0"
        },
        {
            "fixed": "2.37.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ]
}

Affected versions

1.*
1.3.2-beta
v1.*
v1.0.3
v1.0.5-beta
v1.0.6-beta
v1.0.7-beta
v1.1.0-beta
v1.1.1-beta
v1.2.0-beta
v1.2.1-beta
v1.2.2-beta
v1.3.0-beta
v1.3.1-beta
v1.4.0-beta
v1.4.1
v1.4.2
v1.5.0
v1.5.1
v1.5.8
v1.6.0
v1.6.1
v1.6.2
v1.7.0
v1.7.1
v1.7.2
v1.7.3
v1.8.0
v1.8.1
v2.*
v2.0.0
v2.1.0
v2.1.1
v2.1.2
v2.12.0
v2.13.0
v2.15.0
v2.16.0
v2.17.0
v2.18.0
v2.19.0
v2.19.1
v2.19.2
v2.2.0
v2.20.0
v2.20.1
v2.21.0
v2.21.1
v2.22.0
v2.23.0
v2.24.1
v2.25.0
v2.26.0
v2.27.2
v2.28.0
v2.29.0
v2.29.1
v2.29.2
v2.3.0
v2.3.1
v2.3.2
v2.3.3
v2.30.0
v2.31.0
v2.32.0
v2.33.0
v2.34.0
v2.35.0
v2.36.0
v2.4.0
v2.4.1
v2.5.0
v2.6.0
v2.7.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72549.json"