CVE-2025-2776: in the CISA KEV catalogue
SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability. CISA added CVE-2025-2776 to the Known Exploited Vulnerabilities catalogue on 2025-07-22 with a default due date of 2025-08-12. Known ransomware campaign use: Unknown. Forensic triage flag: No.
SysAid On-Prem contains an improper restriction of XML external entity reference vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives. (CISA description)
- Vendor / product
- SysAid SysAid On-Prem
- CWE
- CWE-611
- CISA required action
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- EPSS
- 65%, percentile 99 (scored 2026-11-03)
EPSS puts about 65 in 100 odds (65%) on exploitation activity being observed in the next 30 days. Its score is higher than or equal to that of 99% of scored CVEs. This is a model estimate about exploitation anywhere, not about your environment.
Vendor and reference links (from CISA)
Your own deadline under CISA BOD 26-04 depends on exposure, automatability and technical impact: work it out with the BOD 26-04 calculator.
Frequently asked questions
Is CVE-2025-2776 in the CISA KEV catalogue?
Yes. CISA added CVE-2025-2776 (SysAid On-Prem Improper Restriction of XML External Entity Reference Vulnerability) to the Known Exploited Vulnerabilities catalogue on 2025-07-22. CISA's default due date for it is 2025-08-12.
Is CVE-2025-2776 used in ransomware attacks?
CISA marks known ransomware campaign use as Unknown for CVE-2025-2776. That means CISA lacks confirmation, not that ransomware groups do not use it.
What should I do about CVE-2025-2776?
CISA's required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Sources
- CISA, Known Exploited Vulnerabilities Catalog (accessed 2026-11-03)
- FIRST, Exploit Prediction Scoring System (EPSS) (EPSS by FIRST; scores generated by Empirical Security)
- NVD record for CVE-2025-2776