Is CVE-2026-44697 in the CISA KEV catalog?

No. CVE-2026-44697 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-44697?

CVE-2026-44697 has a CVSS v3 base score of 8.6 (HIGH).

What is the EPSS score for CVE-2026-44697?

CVE-2026-44697 has an EPSS score of 0.38% (30th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-44697?

No published fix for CVE-2026-44697 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-44697

HIGH

8.6

CVSS v3

NVD

Description

Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.17, a remote, unauthenticated denial-of-service vulnerability in Batch.Decompress (data/batch/batch.go) allows any peer that participates in a topic served by MultiDataInterceptor to allocate multi-gigabyte heaps on the receiving node from a sub-50 KiB gossip payload. A single packet is sufficient to OOM-kill a validator with conventional memory provisioning. Fleet-wide application affects chain liveness. This vulnerability is fixed in 1.7.17.

CWE-409 CWE-770Allocation of Resources Without Limits or Throttling

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

Exploit Intelligence

0.38%probability of exploitation in 30 days

30thpercentile

Low risk: more likely to be exploited than 30% of all known CVEs.

References

Other references1

github.com

Related Vulnerabilities

Other CWE-409 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-49975	High	7.5	11%	-	Fix
CVE-2026-21441	High	7.5	2.7%	-	Fix
CVE-2024-43499	High	7.5	2.6%	-	Fix
CVE-2024-28180	Medium	4.3	2.0%	-	Fix
CVE-2017-16129	Medium	5.9	1.8%	-	Fix
CVE-2022-29225	High	7.5	1.4%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-21.