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CVE-2025-56589 Apryse CVE debrief

CVE-2025-56589 is a high-severity vulnerability (CVSS Score: 7.5) affecting the Apryse HTML2PDF SDK through version 11.6.0. This vulnerability involves a Local File Inclusion (LFI) and a Server-Side Request Forgery (SSRF) issue in the InsertFromHtmlString() function. These vulnerabilities could allow an attacker to read local files on the server or make arbitrary HTTP requests to internal or external services, potentially leading to the disclosure of sensitive data or system takeover.

Vendor
Apryse
Product
HTML2PDF SDK
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-01-22
Original CVE updated
2026-07-05
Advisory published
2026-01-22
Advisory updated
2026-07-05

Who should care

Organizations using Apryse HTML2PDF SDK version 11.6.0 or earlier should prioritize patching this vulnerability. Given the high CVSS score, it's crucial for developers and security teams to assess the risk and apply necessary mitigations to prevent potential exploitation.

Technical summary

The vulnerability is caused by issues in the InsertFromHtmlString() function of the Apryse HTML2PDF SDK. An attacker could exploit the LFI aspect to read local files on the server, while the SSRF aspect could be used to make arbitrary HTTP requests. This could lead to sensitive data disclosure or, in a worst-case scenario, potential system takeover if an attacker can execute malicious actions using the SSRF capability.

Defensive priority

High priority should be given to patching this vulnerability due to its high CVSS score and the potential for significant impact. Organizations should review their systems for any instances of the vulnerable SDK and apply patches or mitigations as soon as possible.

Recommended defensive actions

  • Apply the latest patch (version 11.7.0 or later) for Apryse HTML2PDF SDK.
  • Review and restrict access to the InsertFromHtmlString() function.
  • Implement additional monitoring for unusual file access or HTTP requests.
  • Conduct thorough inventory checks to identify all instances of the vulnerable SDK.
  • Consider compensating controls such as web application firewalls (WAFs) to detect and prevent exploitation attempts.

Evidence notes

The CVE record was published on 2026-01-22T17:15:58.183Z and was last modified on 2026-07-05T02:17:02.320Z. The NVD entry is currently Modified. The vulnerability details are based on information from official sources, including the CVE.org record and the NVD detail page.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-56589 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-56589

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-56589 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-56589

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.