HIGHVulnerability
CVE-2026-73629
Serendipity before 2.6.0 contains a server-side request forgery vulnerability in the serendipity_url_allowed() filter that fails to block hex-encoded IPv4 addresses, IPv6 literals, and link-local ranges. Authenticated users with adminImagesAdd permission can bypass the filter using alternate address formats to request internal services and retrieve response bodies through the public uploads directory.
Properties
- severity
- HIGH
- score
- 8.5
- epss_score
- 0.00189
- cve_id
- CVE-2026-73629
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- published_at
- 2026-08-13T12:17:28.330
- last_modified
- 2026-09-09T20:35:08.537
- epss_percentile
- 0.08581
Related Entities (3)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Server-Side Request Forgery (SSRF)
DESCRIBED_BY (1)
→[Source]NVD
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