CVE-2026-109430 Ellucian WebAdvisor - XML External Entity Injection

Ellucian WebAdvisor 3.2 contains an XML External Entity (XXE) injection caused by enabled external entity and DTD resolution in /WebAdvisor/WebAdvisor endpoint, letting remote attackers perform SSRF, disclose NTLMv2 hashes, and read arbitrary files, exploit requires crafted XML POST requests.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
XML External Entity Injection
Impact
Server Side Request Forgery, Information Disclosure, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
15 October 2026
Updated
15 October 2026
Weakness
CWE-611

Vendor fix

Migrate to Colleague Self-Service or update to a supported version as WebAdvisor 3.2 is end-of-support.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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