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CVE-2026-86178

Pixelfed through 0.12.9 Unauthorized Story Access via API

CVSS 3.1 5.4 MEDIUMCVSS 4.0 5.3 MEDIUMCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-86178

Published

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.

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Affected versions, risk and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

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Risk history

Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.

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Advisory history

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23 Oct 2026 15:48:27 UTC

Pixelfed through 0.12.9 Unauthorized Story Access via API

cve-program · CVE-2026-86178 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 13:19 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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