How severe is CVE-2026-43896?

CVE-2026-43896 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-43896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-43896?

CVE-2026-43896 affects Jqlang Jq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-43896?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-43896 have an EU (EUVD) identifier?

Yes. CVE-2026-43896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29174.

When was CVE-2026-43896 published?

CVE-2026-43896 was published on 2026-05-11 and last updated on 2026-06-17.

CVE-2026-43896

CVE-2026-43896 is a medium-severity vulnerability in Jqlang Jq with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-674.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29174
Weakness: CWE-674
Affected product: Jqlang Jq
Published: 2026-05-11
Last modified: 2026-06-17

Description

jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.

Frequently asked questions

What is CVE-2026-43896?: jq is a command-line JSON processor. In 1.8.1 and earlier, unbounded recursion in jv_object_merge_recursive() allows a crafted jq program to crash the process with a segfault. The function is reachable through the * operator when both operands are objects.
How severe is CVE-2026-43896?: CVE-2026-43896 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-43896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-43896?: CVE-2026-43896 affects Jqlang Jq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-43896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-43896 have an EU (EUVD) identifier?: Yes. CVE-2026-43896 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29174.
When was CVE-2026-43896 published?: CVE-2026-43896 was published on 2026-05-11 and last updated on 2026-06-17.

References

https://github.com/jqlang/jq/security/advisories/GHSA-mg96-6h3q-g846

Affected products (1)

cpe:2.3:a:jqlang:jq:*:*:*:*:*:*:*:*

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