How severe is CVE-2026-1144?

CVE-2026-1144 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1144 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1144?

CVE-2026-1144 affects Quickjs-ng Quickjs. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1144?

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

Does CVE-2026-1144 have an EU (EUVD) identifier?

Yes. CVE-2026-1144 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3238.

When was CVE-2026-1144 published?

CVE-2026-1144 was published on 2026-01-19 and last updated on 2026-06-17.

CVE-2026-1144

CVE-2026-1144 is a medium-severity vulnerability in Quickjs-ng Quickjs with a CVSS 3.x base score of 6.3. 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-119.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 7.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3238
Weakness: CWE-119
Affected product: Quickjs-ng Quickjs
Published: 2026-01-19
Last modified: 2026-06-17

Description

A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141. Applying a patch is advised to resolve this issue.

Frequently asked questions

What is CVE-2026-1144?: A vulnerability was detected in quickjs-ng quickjs up to 0.11.0. Affected is an unknown function of the file quickjs.c of the component Atomics Ops Handler. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. The patch is identified as ea3e9d77454e8fc9cb3ef3c504e9c16af5a80141. Applying a patch is advised to resolve this issue.
How severe is CVE-2026-1144?: CVE-2026-1144 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1144 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1144?: CVE-2026-1144 affects Quickjs-ng Quickjs. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1144?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1144 have an EU (EUVD) identifier?: Yes. CVE-2026-1144 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3238.
When was CVE-2026-1144 published?: CVE-2026-1144 was published on 2026-01-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:quickjs-ng:quickjs:*:*:*:*:*:*:*:*

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