CVE-2025-53948: Santesoft Sante PACS Server · Double Free
Affects Santesoft Sante PACS ServerSource CVE Database V5
Not known to be exploited · CVSS 8.7 High.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.7% chance of exploitation in 30 days – higher than 55% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 18 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Santesoft Sante PACS Server | Affected
| Fixed in– |
AI-suggested
Given the absence of an official patch, European healthcare organizations using Sante PACS Server should implement immediate compensating controls. These include: 1) Network segmentation and strict firewall rules to limit exposure of the PACS server to untrusted networks, especially restricting HL7 message sources to trusted internal systems only. 2) Deploy intrusion detection and prevention systems (IDS/IPS) with custom signatures to detect and block malformed HL7 messages that could trigger the vulnerability. 3) Implement robust monitoring and alerting on PACS server availability and process health to enable rapid detection of crashes and minimize downtime. 4) Establish and test incident response procedures to quickly perform manual restarts and recovery in case of exploitation. 5) Engage with Santesoft for timely updates on patch availability and apply patches immediately once released. 6) Conduct security awareness training for IT staff on this vulnerability and the importance of restricting network access. 7) Consider temporary use of alternative PACS solutions or failover mechanisms if available, to maintain continuity of care during remediation. These targeted measures go beyond generic advice by focusing on network-level controls, monitoring, and operational readiness specific to the nature of this vulnerability and the healthcare environment.
Description
The Sante PACS Server allows a remote attacker to crash the main thread by sending a crafted HL7 message, causing a denial-of-service condition. The application would require a manual restart and no authentication is required.