CVE-2026-25808

7.5 highEPSS 0.5%

High (7.5) in fedify hollo. EPSS 0.5% chance of exploitation in the next 30 days.

Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is fixed in 0.6.20 and 0.7.2.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2026-02-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

fedify:hollo

References

https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e
https://github.com/fedify-dev/hollo/releases/tag/0.6.20
https://github.com/fedify-dev/hollo/releases/tag/0.7.2
https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5

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