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Vulnerability record · CVE-2026-69101 · published 14 August 2026

CVE-2026-69101: XML external entity (XXE) vulnerability

Datavane TIS v5.0.0 contains an XML external entity (XXE) injection vulnerability that allows authenticated attackers to perform server-side request forgery and out-of-band file exfiltration by supplying a crafted taskScript payload to the doEditWorkflow endpoint, which processes XML through an unhardened DocumentBuilderFactory with external entities and DTD loading enabled. Attackers can send a malicious XML document containing an external DTD reference to the edit_workflow action, causing the server to issue outbound HTTP requests to attacker-controlled infrastructure and exfiltrate local files readable by the TIS process user, including configuration files and Derby database credentials.

8.3 CVSS 4.0 High EPSS 0.43% · top 65.0% CWE-611 · XML external entity (XXE) Deferred
8.3CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
24 Sep 2026Last modified by NVD

Description

Datavane TIS v5.0.0 contains an XML external entity (XXE) injection vulnerability that allows authenticated attackers to perform server-side request forgery and out-of-band file exfiltration by supplying a crafted taskScript payload to the doEditWorkflow endpoint, which processes XML through an unhardened DocumentBuilderFactory with external entities and DTD loading enabled. Attackers can send a malicious XML document containing an external DTD reference to the edit_workflow action, causing the server to issue outbound HTTP requests to attacker-controlled infrastructure and exfiltrate local files readable by the TIS process user, including configuration files and Derby database credentials.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/datavane/tis
https://github.com/datavane/tis/commit/2a84a1b84218a303e3e0a4823023363d5a7abfa1
https://github.com/datavane/tis/issues/496
https://www.vulncheck.com/advisories/datavane-tis-xxe-injection-via-doeditworkflow-endpoint
https://github.com/datavane/tis/issues/496

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Source: NIST National Vulnerability Database (record CVE-2026-69101), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.