jdmpview / DTFJ reads arbitrary local files and makes arbitrary outbound requests when opening a third-party diagnostic dump bundle (XXE in XMLIndexReader)

published 2026-10-20 20 d ago modified 2026-10-20 19 d ago also EUVD-2026-105014

cvss: 6.8; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

In Eclipse OpenJ9 versions up to 0.63, opening a supplied diagnostic dump bundle with the jdmpview tool, or equivalent DTFJ code, may cause the analyst's machine to read an arbitrary local file named inside the bundle and send its contents to an arbitrary remote host.

Patch / fix

fixed in 1 links 1

Eclipse Foundation Eclipse OpenJ9 0.63

github.com/eclipse-openj9/openj9#25003 pull request

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 d ago (2026-10-20)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N
CNA	4.0	6.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:L/VA:L/SC:N/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:X/V:X/RE:X/U:X

Affected products

Eclipse Foundation Eclipse OpenJ9

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference
CWE-618 Exposed Unsafe ActiveX Method

References

Sources

CVE List CVE-2026-97400
NVD CVE-2026-97400

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary