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Fencer Intel
medium 4.3

CVE-2026-78636 json

IBM WebSphere Application Server Liberty prior to 26.0.0.11 is affected by multiple vulnerabilities

published 3d ago modified 2d ago also EUVD-2026-119725

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 19%
public exploits
0
none known

Summary

IBM WebSphere Application Server Liberty 17.0.0.3 through 26.0.0.10 is affected by an information disclosure vulnerability due to unsafe class reflection in the JMX REST connector body parser.

Patch / fix

Is CVE-2026-78636 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2d ago

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • IBM WebSphere Application Server - Liberty

Classification

Weakness
  • CWE-470 Use of Externally-Controlled Input to Select Classes or Code

References

Sources

Fencer Intel 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.