CVE
CVE-2026-25808
Hollo DMs get leaked and can be seen on Webfinger Browser
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.
Package Versions Affected
Package Version
patch Availability
No items found.
Automatically patch vulnerabilities without upgrading
Fix Without Upgrading
Detect compatible fix
Apply safe remediation
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CVSS Version
Severity
Base Score
CVSS Version
Score Vector
C
H
U
7.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
C
H
U
0
-
3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
C
H
U
-
Related Resources
No items found.
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25808.json, 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, https://nvd.nist.gov/vuln/detail/CVE-2026-25808
Basic Information
Ecosystem
