CVE-2026-86178

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Source
https://cve.org/CVERecord?id=CVE-2026-86178
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86178.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-86178
Published
2026-09-05T11:01:28.748Z
Modified
2026-09-07T03:45:28.117378910Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
Pixelfed through 0.12.9 Unauthorized Story Access via API
Details

Pixelfed through 0.12.9 fails to validate follower status in StoryComposeController react and comment endpoints, allowing authenticated users to access follower-only stories. Attackers can enumerate sequential story IDs and submit reactions or comments to retrieve story media URLs and author information without following the account.

Database specific 
{
    "cwe_ids": [
        "CWE-862"
    ],
    "cna_assigner": "VulnCheck",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86178.json"
}
References

Affected packages

Git / github.com/pixelfed/pixelfed

Affected ranges

Type
GIT
Repo
https://github.com/pixelfed/pixelfed
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
0dc12f23edda47b9e6336c3b1d85687442225055
Database specific
Show details 
{
    "source": [
        "AFFECTED_FIELD",
        "DESCRIPTION"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "0.12.9"
        },
        {
            "fixed": "0.12.9"
        }
    ]
}

Affected versions

v0.*
v0.1.9
v0.10.1
v0.10.10
v0.10.2
v0.10.3
v0.10.4
v0.10.5
v0.10.6
v0.10.7
v0.10.8
v0.10.9
v0.11.0
v0.11.1
v0.11.11
v0.11.12
v0.11.13
v0.11.2
v0.11.3
v0.11.4
v0.11.5
v0.11.6
v0.11.7
v0.11.8
v0.11.9
v0.12.0
v0.12.1
v0.12.2
v0.12.3
v0.12.4
v0.12.5
v0.12.6
v0.12.7
v0.12.8
v0.5.9
v0.6.0
v0.6.1
v0.7.6
v0.8.0
v0.8.5
v0.8.6
v0.9.0
v0.9.4
v0.9.5
v0.9.6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-86178.json"