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Medium

Pixelfed through 0.12.9 Unauthorized Story Access via API

Type: advisorySource: Official CVE List1 source record

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.

Announced Group revision 1
Original source ↗

CVE-2026-86178

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-86178

pixelfed

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "vendor": "pixelfed",
    "product": "pixelfed",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "semver",
        "lessThanOrEqual": "0.12.9"
      }
    ],
    "packageURL": "pkg:github/pixelfed/pixelfed",
    "defaultStatus": "unaffected"
  }
]
Related CVEs
CVE-2026-86178

Source reference: /cveMetadata/cveId

Publisher severity

medium

Source reference: /containers/cna/metrics

Event
#1592 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement