CVE-2026-76078

Source
https://cve.org/CVERecord?id=CVE-2026-76078
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76078.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-76078
Aliases
  • GHSA-22xj-f767-ppw6
Published
2026-11-11T18:09:39Z
Modified
2026-11-12T02:48:38Z
Severity
  • 3.1 (Low) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
Probo: Broken access control in public e-signature API
Details

Probo is a self-hostable governance, risk, and compliance (GRC) platform built for engineering and security teams. Prior to version 0.224.0, the public Trust Center GraphQL API exposes acceptElectronicSignature and recordSigningEvent, both gated only by @authentication(required: PRESENT) @sessionOnly — any self-provisioned trust center identity can call them. The underlying esign.Service.AcceptSignature and esign.Service.recordEvent build the tenant scope from the client-supplied signatureId GID (coredata.NewScopeFromObjectID(req.SignatureID)) and load the signature by that GID. At no point do they verify that the signature belongs to the caller or that the caller's email matches the signature's SignerEmail. As a result, any authenticated trust-center visitor who possesses another visitor's signature GID can: (1) complete that visitor's NDA signature — overwriting signer name/IP/UA with attacker data and setting status to Accepted, which triggers the sealing worker to generate a completion certificate; (2) inject arbitrary audit-trail events into any signature's log. Both attacks defeat the non-repudiation and integrity guarantees of the e-signature system. This issue has been patched in version 0.224.0.

Database specific
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-639",
        "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76078.json"
}
References

Affected packages

Git / github.com/getprobo/probo

Affected ranges

Type
GIT
Repo
https://github.com/getprobo/probo
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Fixed
Fixed
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "0.224.0"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "eb9274f2cd7101f89c21c18f6d7a3570f95aff32"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "range": [
                {
                    "fixed": "f20c3d73d20fcce1344ee1a44bfa6d7f8c35471f"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

@probo/cookie-banner/v0.*
@probo/cookie-banner/v0.10.0
@probo/cookie-banner/v0.3.0
@probo/cookie-banner/v0.3.1
@probo/cookie-banner/v0.4.0
@probo/cookie-banner/v0.4.1
@probo/cookie-banner/v0.5.0
@probo/cookie-banner/v0.6.0
@probo/cookie-banner/v0.7.0
@probo/cookie-banner/v0.8.0
@probo/cookie-banner/v0.9.0
@probo/cookie-banner/v0.9.1
@probo/cookie-banner/v0.9.2
@probo/cookie-banner/v0.9.3
@probo/n8n-nodes-probo/v0.*
@probo/n8n-nodes-probo/v0.182.0
@probo/n8n-nodes-probo/v0.183.0
@probo/n8n-nodes-probo/v0.184.0
@probo/n8n-nodes-probo/v0.185.0
@probo/n8n-nodes-probo/v0.186.0
@probo/n8n-nodes-probo/v0.187.0
@probo/n8n-nodes-probo/v0.187.1
@probo/n8n-nodes-probo/v0.188.0
@probo/n8n-nodes-probo/v0.189.0
@probo/n8n-nodes-probo/v0.190.0
@probo/n8n-nodes-probo/v0.191.0
@probo/n8n-nodes-probo/v0.192.0
@probo/n8n-nodes-probo/v0.193.0
@probo/n8n-nodes-probo/v0.194.0
@probo/n8n-nodes-probo/v0.195.0
@probo/n8n-nodes-probo/v0.196.0
@probo/n8n-nodes-probo/v0.197.0
@probo/n8n-nodes-probo/v0.198.0
@probo/n8n-nodes-probo/v0.199.0
@probo/n8n-nodes-probo/v0.200.0
helm/v0.*
helm/v0.1.0
helm/v0.10.0
helm/v0.2.0
helm/v0.2.1
helm/v0.3.0
helm/v0.4.0
helm/v0.5.0
helm/v0.6.0
helm/v0.7.0
helm/v0.8.0
helm/v0.9.0
helm/v0.9.1
prb/v0.*
prb/v0.182.0
prb/v0.183.0
prb/v0.183.1
prb/v0.184.0
prb/v0.185.0
prb/v0.186.0
prb/v0.187.0
prb/v0.188.0
prb/v0.189.0
prb/v0.190.0
prb/v0.191.0
prb/v0.192.0
prb/v0.193.0
prb/v0.194.0
prb/v0.195.0
prb/v0.196.0
prb/v0.197.0
prb/v0.197.1
prb/v0.198.0
prb/v0.199.0
probo-agent/v0.*
probo-agent/v0.1.0
probo-agent/v0.1.1
proboctl/v0.*
proboctl/v0.1.0
proboctl/v0.2.0
proboctl/v0.3.0
proboctl/v0.3.1
proboctl/v0.4.0
proboctl/v0.5.0
proboctl/v0.6.0
proboctl/v0.7.0
proboctl/v0.7.1
proboctl/v0.8.0
probod-bootstrap/v0.*
probod-bootstrap/v0.1.1
probod-bootstrap/v0.1.2
probod-bootstrap/v0.2.0
probod-bootstrap/v0.3.0
probod-bootstrap/v0.4.0
probod-bootstrap/v0.4.1
probod/v0.*
probod/v0.182.0
probod/v0.183.0
probod/v0.184.0
probod/v0.184.1
probod/v0.184.2
probod/v0.185.0
probod/v0.186.0
probod/v0.186.1
probod/v0.187.0
probod/v0.188.0
probod/v0.189.0
probod/v0.190.0
probod/v0.190.1
probod/v0.191.0
probod/v0.192.0
probod/v0.193.0
probod/v0.193.1
probod/v0.194.0
probod/v0.195.0
probod/v0.196.0
probod/v0.196.1
probod/v0.197.0
probod/v0.198.0
probod/v0.199.0
probod/v0.199.1
probod/v0.200.0
probod/v0.200.1
probod/v0.201.0
probod/v0.202.0
probod/v0.202.1
probod/v0.202.2
probod/v0.203.0
probod/v0.204.0
probod/v0.205.0
probod/v0.206.0
probod/v0.207.0
probod/v0.208.0
probod/v0.208.1
probod/v0.209.0
probod/v0.210.0
probod/v0.211.0
probod/v0.211.1
probod/v0.211.2
probod/v0.212.0
probod/v0.213.0
probod/v0.214.0
probod/v0.215.0
probod/v0.215.1
probod/v0.216.0
probod/v0.216.1
probod/v0.217.0
probod/v0.218.0
probod/v0.218.1
probod/v0.219.0
probod/v0.220.0
probod/v0.221.0
probod/v0.222.0
probod/v0.222.1
probod/v0.222.2
probod/v0.223.0
probod/v0.223.1
probod/v0.223.2
probod/v0.223.3
v0.*
v0.1.0
v0.10.0
v0.10.1
v0.100.0
v0.101.0
v0.101.1
v0.102.0
v0.103.0
v0.104.0
v0.105.0
v0.106.0
v0.107.0
v0.107.1
v0.108.0
v0.109.0
v0.11.0
v0.11.1
v0.110.0
v0.110.1
v0.110.2
v0.111.0
v0.111.1
v0.111.2
v0.112.0
v0.112.1
v0.112.2
v0.112.3
v0.112.4
v0.113.0
v0.114.0
v0.115.0
v0.116.0
v0.116.1
v0.116.10
v0.116.11
v0.116.12
v0.116.13
v0.116.14
v0.116.15
v0.116.2
v0.116.3
v0.116.4
v0.116.5
v0.116.6
v0.116.7
v0.116.8
v0.116.9
v0.117.0
v0.117.1
v0.117.2
v0.117.3
v0.118.0
v0.118.1
v0.118.2
v0.119.0
v0.119.1
v0.12.0
v0.120.0
v0.121.0
v0.121.1
v0.122.0
v0.123.0
v0.123.1
v0.123.2
v0.123.3
v0.124.0
v0.124.1
v0.124.2
v0.125.0
v0.125.1
v0.125.1-1
v0.125.1-2
v0.125.1-3
v0.125.1-4
v0.126.0
v0.126.1
v0.127.0
v0.127.1
v0.128.0
v0.129.0
v0.129.1
v0.129.2
v0.129.3
v0.13.0
v0.13.1
v0.13.2
v0.130.0
v0.130.1
v0.130.2
v0.130.3
v0.131.0
v0.131.1
v0.131.2
v0.132.0
v0.133.0
v0.134.0
v0.134.1
v0.134.2
v0.134.3
v0.135.0
v0.135.1
v0.136.0
v0.137.0
v0.137.1
v0.137.2
v0.137.3
v0.138.0
v0.138.1
v0.138.2
v0.139.0
v0.14.0
v0.140.0
v0.141.0
v0.142.0
v0.142.1
v0.142.2
v0.143.0
v0.144.0
v0.145.0
v0.146.0
v0.146.1
v0.147.0
v0.148.0
v0.149.0
v0.149.1
v0.15.0
v0.15.1
v0.150.0
v0.151.0
v0.152.0
v0.153.0
v0.153.1
v0.153.2
v0.154.0
v0.154.1
v0.154.2
v0.155.0
v0.156.0
v0.156.1
v0.157.0
v0.158.0
v0.159.0
v0.16.0
v0.160.0
v0.160.1
v0.160.2
v0.161.0
v0.161.1
v0.161.2
v0.162.0
v0.162.1
v0.163.0
v0.163.1
v0.163.2
v0.164.0
v0.165.0
v0.165.1
v0.165.2
v0.165.3
v0.166.0
v0.167.0
v0.168.0
v0.168.1
v0.168.2
v0.169.0
v0.169.1
v0.17.0
v0.170.0
v0.171.0
v0.171.1
v0.172.0
v0.172.1
v0.173.0
v0.174.0
v0.175.0
v0.176.0
v0.176.1
v0.177.0
v0.177.1
v0.178.0
v0.179.0
v0.179.1
v0.18.0
v0.18.1
v0.180.0
v0.181.0
v0.19.0
v0.19.1
v0.19.2
v0.2.0
v0.20.0
v0.20.1
v0.204.0
v0.21.0
v0.216.1
v0.22.0
v0.23.0
v0.23.1
v0.24.0
v0.25.0
v0.26.0
v0.27.0
v0.27.1
v0.28.0
v0.29.0
v0.30.0
v0.30.1
v0.31.0
v0.32.0
v0.33.0
v0.33.1
v0.33.2
v0.33.3
v0.33.4
v0.33.5
v0.33.6
v0.34.0
v0.35.0
v0.36.0
v0.37.0
v0.37.1
v0.37.2
v0.37.3
v0.37.4
v0.37.5
v0.38.0
v0.38.1
v0.39.0
v0.4.0
v0.4.1
v0.4.2
v0.40.0
v0.41.0
v0.42.0
v0.42.1
v0.43.0
v0.43.1
v0.44.0
v0.45.0
v0.45.1
v0.46.0
v0.46.1
v0.46.2
v0.47.0
v0.48.0
v0.48.1
v0.49.0
v0.5.0
v0.50.0
v0.50.1
v0.51.0
v0.51.1
v0.52.0
v0.53.0
v0.54.0
v0.55.0
v0.56.0
v0.57.0
v0.57.1
v0.58.0
v0.58.1
v0.58.2
v0.58.3
v0.58.4
v0.59.0
v0.59.1
v0.6.0
v0.60.0
v0.61.0
v0.61.1
v0.62.0
v0.63.0
v0.63.1
v0.64.0
v0.64.1
v0.65.0
v0.65.1
v0.66.0
v0.66.1
v0.67.0
v0.67.1
v0.67.2
v0.68.0
v0.68.1
v0.68.2
v0.68.3
v0.69.0
v0.7.0
v0.70.0
v0.71.0
v0.72.0
v0.73.0
v0.73.1
v0.74.0
v0.74.1
v0.74.2
v0.74.3
v0.74.4
v0.74.5
v0.74.6
v0.74.7
v0.75.0
v0.75.1
v0.76.0
v0.77.0
v0.78.0
v0.79.0
v0.8.0
v0.80.0
v0.80.1
v0.80.2
v0.81.0
v0.82.0
v0.83.0
v0.84.0
v0.85.0
v0.86.0
v0.86.1
v0.86.2
v0.86.3
v0.86.4
v0.87.0
v0.88.0
v0.88.1
v0.88.2
v0.88.3
v0.88.5
v0.88.6
v0.88.7
v0.88.8
v0.89.0
v0.89.1
v0.9.0
v0.90.0
v0.90.1
v0.91.0
v0.92.0
v0.93.0
v0.94.0
v0.94.1
v0.94.2
v0.95.0
v0.96.0
v0.96.1
v0.97.0
v0.98.0
v0.98.1
v0.99.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76078.json"