CVE-2026-72543

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Source
https://cve.org/CVERecord?id=CVE-2026-72543
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72543.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-72543
Published
2026-08-11T11:08:45Z
Modified
2026-09-05T03:31:09Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
OpenSignLabs OpenSign - Insecure Direct Object Reference
Details

An insecure direct object reference vulnerability in OpenSignLabs OpenSign through 2.37.0 allows unauthenticated remote attackers to retrieve any contact record via the getcontact Parse cloud function. The function executes with useMasterKey and performs no authentication or authorization checks before returning the requested contact object. An attacker can enumerate and read all contact records including personally identifiable information without credentials.

Database specific 
{
    "cna_assigner": "TuranSec",
    "cwe_ids": [
        "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72543.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-2026-72543.json"