CVE-2026-54078
XXE in veraPDF validation can disclose local files from crafted PDFs
Is CVE-2026-54078 being exploited?
Not confirmed. CVE-2026-54078 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-54078?
CVE-2026-54078 is rated High with a CVSS score of 8.7. 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-2026-54078?
Yes. A fix has been recorded for CVE-2026-54078. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-54078 affect?
CVE-2026-54078 affects veraPDF-validation versions prior to 1.30.2 and prior to 1.31.71. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-54078?
Upgrade to 1.30.2 or 1.31.71+ and block/validate untrusted PDFs
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
XML External Entity (XXE) via crafted rich-text /RC or /RV entries can disclose local files in validation reports, enabling data exfiltration.
Patch when possible
- affected>= 1.25.73 and < 1.30.2
- affected>= 1.31.1 and < 1.31.71
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.