CVE-2026-102927

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Source
https://cve.org/CVERecord?id=CVE-2026-102927
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102927.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-102927
Aliases
  • GHSA-93w7-49m2-cqwg
Published
2026-11-05T17:29:59Z
Modified
2026-11-05T21:31:00Z
Severity
  • 5.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
HedgeDoc: Missing validation of incoming permission values on change
Details

HedgeDoc is an open source, real-time collaborative markdown notes application. Prior to 1.11.1, the WebSocket permission handler allows a note owner to store strings outside the supported freely, editable, limited, locked, protected, and private permission values. The viewing and editing checks handle only known values and can otherwise fall through to permissive behavior, making a note readable or writable more broadly than intended. SQLite deployments can persist the invalid value because the database column does not strictly enforce the set, while MySQL and PostgreSQL reject the database update but can leave the in-memory note state inconsistent for connected users until reload or cache eviction. Exploitation requires the note owner to intentionally submit an invalid permission value, and the owner could already choose a legitimate permissive setting, which limits the practical security impact. This issue is fixed in version 1.11.1.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-20",
        "CWE-284"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102927.json"
}
References

Affected packages

Git / github.com/hedgedoc/hedgedoc

Affected ranges

Type
GIT
Repo
https://github.com/hedgedoc/hedgedoc
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0dda149c7f528a7e98a34a8459b7afb23c90a05b
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "1.11.1"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "0dda149c7f528a7e98a34a8459b7afb23c90a05b"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "1.11.1",
            "range": [
                {
                    "fixed": "0dda149c7f528a7e98a34a8459b7afb23c90a05b"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

0.*
0.4.0
0.4.1
0.4.2
0.4.3
0.4.4
0.4.5
0.4.6
0.5.0
1.*
1.0.0-ce
1.0.1-ce
1.1.0-ce
1.1.1-ce
1.10.0
1.10.1
1.10.2
1.10.4
1.10.5
1.10.6
1.10.7
1.10.8
1.11.0
1.2.0
1.2.1
1.3.0
1.3.1
1.3.2
1.4.0
1.5.0
1.6.0
1.7.0
1.7.0-rc1
1.7.0-rc2
1.7.1
1.7.2
1.8.0
1.8.0-rc1
1.8.1
1.8.2
1.9.0
1.9.0-rc1
1.9.1
1.9.2
1.9.3
1.9.4
1.9.5
1.9.6
1.9.7
1.9.8
1.9.9
v0.*
v0.3.3
v0.3.4

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102927.json"