CVEvulnerability
CVE-2026-25808
7.5 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-02-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-862
Description
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.
Affected configurations
• fedify hollo (>= 0.6.0 < 0.6.20)
• fedify hollo (>= 0.7.0 < 0.7.2)
Related
Weakness · CWE (1)
- CWE-862 Missing Authorization weakness
References
- https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e Patch
- https://github.com/fedify-dev/hollo/releases/tag/0.6.20 Product, Release Notes
- https://github.com/fedify-dev/hollo/releases/tag/0.7.2 Product, Release Notes
- https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5 Exploit, Vendor Advisory