Foxit foxit.com HTML-to-PDF service: Cross-user document access via shared token
Summary
A broken access control flaw in the online HTML-to-PDF conversion service on Foxit's official website uses a shared token for submitted documents. An unauthenticated remote attacker may be able to access conversion documents submitted by other users. Foxit's bulletin says the issue is fixed on the server side and no customer action is required.
Affected
- Foxit's hosted online HTML-to-PDF conversion service on foxit.com, before 2026-10-29
- Foxit desktop products are not affected by this CVE
- Exact service versions or endpoints: Unknown.
Fixed in
- Fixed by Foxit on the server side, release date 2026-10-29, according to the vendor bulletin.
Workaround
- Unknown. No customer-side mitigation has been published.
Exploitation
- No known exploitation in the wild (OffSeq).
- No public proof of concept found.
- CISA SSVC: Exploitation none, automatable yes, technical impact partial.
- EPSS: 0.35 % (percentile 28).
Our recommendation
- Check whether staff have uploaded sensitive documents (contracts, invoices) to Foxit's online HTML-to-PDF tool.
- Ask Foxit whether any submissions from your organisation were affected.
- Advise staff not to upload sensitive documents to this service until the fix is confirmed.
- Keep Foxit desktop products updated separately (for example Foxit PDF Reader 2026.2.1).
Public exploits
PoC-in-GitHub, Metasploit and Exploit-DB list nothing for this CVE.
Research sources
- Foxit Security Bulletins www.foxit.com
- Foxit Security Bulletins (alternative URL) www.foxit.com
- VulDB entry vuldb.com
- CVE record summary (threatint) cve.threatint.com
- OffSeq threat radar (exploitation status) radar.offseq.com
Researched and written up in English and German by an AI (Claude by Anthropic) based on NVD, CISA, EPSS and the sources listed. The vendor information is authoritative. Researched on 2 Nov 2026, 11:31.
Original description (NVD)
A broken access control vulnerability exists in the Foxit official website’s HTML-to-PDF conversion service due to the use of a shared token for submitted conversion documents. This may allow unauthorized users to access documents submitted by other users.
NVD references (1)
Sources
The tracker combines official, freely usable data sources – updated continuously:
- NVD (NIST) – CVEs, rating (CVSS), affected products
- CISA KEV – vulnerabilities confirmed by CISA as actively exploited
- CISA Vulnrichment – CISA assessment (SSVC) in the official CVE record
- FIRST EPSS – probability of exploitation
- Microsoft MSRC – Patch Tuesday: vulnerabilities, severity, updates
- PoC-in-GitHub – public proof-of-concept repositories
- Metasploit (Rapid7) – modules of the Metasploit Framework
- Exploit-DB (OffSec) – archive of public exploits (links only)
- Patch days: official vendor pages (linked per vendor) (Vendor patch days)
This product uses data from the NVD API but is not endorsed or certified by the NVD. EPSS data © FIRST.org.
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