CVE WatchOct 19, 2026

CVE-2026-112179

In MISP, the event synchronization process contained a logic error in the preparation of event reports for remote push. The filtering of non

CVSS

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No CVSS

EPSS

0.3%

p22

KEV

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Exploit Today

0-100

Published: Oct 19, 2026 · Last modified: Oct 19, 2026 · CWE-200

EPSS · 30d

Not enough EPSS history yet.

Technical description

In MISP, the event synchronization process contained a logic error in the preparation of event reports for remote push. The filtering of non-exportable tags was applied only once after the iteration over all reports, rather than to each individual report. As a result: - All reports except the last one in the set were pushed to the remote MISP instance with their non-exportable tags intact, effectively disclosing restricted tag information to the receiving instance. - When the last report in the set was withheld (empty), a null report was pushed, causing the remote instance to fail saving the event. This issue affects any MISP instance configured to push events with multiple reports to a remote server via synchronization. Affected: <2.5.48.

Official references

github.comhttps://github.com/MISP/MISP/commit/0be4564a9

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