CVE-2026-78385
Authenticated SSRF and local file read via WeasyPrint in RansomLook PDF rendering
Is CVE-2026-78385 being exploited?
Not confirmed. CVE-2026-78385 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.26% probability of exploitation in the next 30 days.
How severe is CVE-2026-78385?
CVE-2026-78385 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-78385?
Yes. A fix has been recorded for CVE-2026-78385. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-78385 affect?
CVE-2026-78385 affects RansomLook (self-hosted servers), WeasyPrint PDF renderer, Analysis PDF generation functionality. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-78385?
Apply vendor patch to restrict URL fetching; block renderer network egress if needed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated attacker can read local files or trigger SSRF from the server, exposing credentials or internal services.
Immediate action required
- affected<= 2.0.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.