CVE-2026-59828

Source
https://cve.org/CVERecord?id=CVE-2026-59828
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59828.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-59828
Aliases
Published
2026-07-09T22:04:50.777Z
Modified
2026-08-12T03:51:15.845426589Z
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
Discourse: Hidden post revisions leak through adjacent visible diffs
Details

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, post revisions that should be hidden from regular users could be leaked through visible diffs on adjacent revisions serialized by PostRevisionSerializer. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Database specific
{
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59828.json",
    "cwe_ids": [
        "CWE-200"
    ]
}
References

Affected packages

Git / github.com/discourse/discourse

Affected ranges

Type
GIT
Repo
https://github.com/discourse/discourse
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "introduced": "2026.1.0"
        },
        {
            "fixed": "2026.1.5"
        },
        {
            "introduced": "2026.4.0"
        },
        {
            "fixed": "2026.4.2"
        },
        {
            "introduced": "2026.5.0"
        },
        {
            "fixed": "2026.5.1"
        },
        {
            "introduced": "2026.6.0"
        },
        {
            "last_affected": "2026.6.0"
        }
    ],
    "source": [
        "CPE_RANGE",
        "CPE_STRING",
        "REFERENCES"
    ],
    "cpe": [
        "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:discourse:discourse:2026.6.0:*:*:*:latest:*:*:*"
    ]
}

Affected versions

2026.*
2026.6.0
Other
esr
stable
v2026.*
v2026.1.0
v2026.1.0-latest
v2026.1.1
v2026.1.2
v2026.1.3
v2026.1.4
v2026.4.0
v2026.4.0-latest
v2026.4.1
v2026.5.0
v2026.5.0-latest
v2026.5.0-latest.1
v2026.6.0-latest

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59828.json"