Suricata is a network IDS, IPS and NSM engine. Prior to versions 7.0.15 and 8.0.4, inefficiency in KRB5 buffering can lead to performance degradation. This issue has been patched in versions 7.0.15 and 8.0.4.
CVE-2026-31932
This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 81% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EPSS
- 18.6%
- KEV
- Not listed
Published
April 2, 2026
Last Modified
April 7, 2026
References (2)
- security-advisories@githubhttps://github.com/OISF/suricata/security/advisories/GHSA-rp9m-jcpw-hggr
- security-advisories@githubhttps://redmine.openinfosecfoundation.org/issues/8305
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 108 total refreshes for this CVE.
- 2026-07-22 14:08 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2026-31932?
When was CVE-2026-31932 disclosed?
Is CVE-2026-31932 actively exploited?
What is the CVSS score of CVE-2026-31932?
How do I remediate CVE-2026-31932?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-31932
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