Security readout for executives and security teams
Plain-English summary
CVE-2025-56590 is a critical command execution flaw in Apryse HTML2PDF SDK through 11.10. If an exposed application lets attackers influence URLs passed to InsertFromURL(), the server could run unintended operating system commands. The provided sources do not establish active exploitation or a named fixed version.
Executive priority
Treat as urgent for any externally reachable PDF conversion workflow. Prioritize inventory first because the CVE metadata lacks precise product identifiers and fixed-version detail.
Technical view
The issue is described as CWE-78 in InsertFromURL() in Apryse HTML2PDF SDK through 11.10. The CVSS 3.1 score is 9.8 with network, low-complexity, unauthenticated exploitation characteristics and high confidentiality, integrity, and availability impact. Public source details are limited.
Likely exposure
Highest concern is server-side HTML-to-PDF conversion using Apryse HTML2PDF SDK through 11.10, especially where remote users control conversion URLs or related inputs.
Exploitation context
The CVE states arbitrary local server command execution is possible. CISA KEV is false in the bundle, and no cited source here confirms exploitation in the wild.
Researcher notes
The bundle identifies Apryse HTML2PDF SDK through 11.10 and CWE-78 but provides sparse affected-product metadata. Avoid assuming broader Apryse components are affected without vendor confirmation.
Mitigation direction
- Inventory applications using Apryse HTML2PDF SDK and identify versions through 11.10.
- Check Apryse vendor guidance for fixed versions or official mitigations.
- Remove untrusted user control over InsertFromURL() inputs.
- Restrict HTML-to-PDF conversion services from direct public access where possible.
- Monitor Stratascale and CVE sources for updated remediation details.
Validation and detection
- Review SBOMs and dependency manifests for Apryse HTML2PDF SDK usage.
- Search application code for InsertFromURL() call sites.
- Confirm whether external users can influence URLs or parameters reaching that function.
- Review server logs for unusual conversion requests or unexpected process execution indicators.
- Document compensating controls around affected conversion workflows.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-78: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2025-56590 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.stratascale.com/resource/apryse-server-argument-injection-rce/CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.