What is the CVSS score of CVE-2026-1145?

CVE-2026-1145 has a contested CVSS base score of 2.1 from a third party (e.g. CISA-ADP), while the vendor rates it Low. vuln.today uses the vendor rating as authoritative.

Which versions of Quickjs are affected by CVE-2026-1145?

Organizations using quickjs-ng quickjs should be aware of moderate risk from CVE-2026-1145, a buffer overflow vulnerability rated CVSS 6.3.. A patch is available.

Is there a public PoC exploit available for CVE-2026-1145?

Yes, a public proof-of-concept exploit is available for CVE-2026-1145. Prioritise patching immediately. EPSS: 0.1%.

Quickjs CVE-2026-1145

LOW

Buffer Overflow (CWE-119)

2026-01-19 cna@vuldb.com

Buffer Overflow Quickjs

Low

Disputed · 2.1 NVD

Severity by source

Sources disagree (Low–High)

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

SUSE

7.5 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Red Hat

6.3 HIGH

qualitative

vuln.today treats the vendor’s rating as authoritative. A higher third-party CVSS (e.g. CISA-ADP) is shown for transparency but does not drive the headline severity.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Feb 23, 2026 - 09:16 vuln.today

Public exploit code

Patch released

Feb 23, 2026 - 09:16 nvd

Patch available

CVE Published

Jan 19, 2026 - 09:16 nvd

MEDIUM 6.3

DescriptionCVE.org

A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: 53aebe66170d545bb6265906fe4324e4477de8b4. It is suggested to install a patch to address this issue.

AnalysisAI

Heap-based buffer overflow in QuickJS up to version 0.11.0 within the js_typed_array_constructor_ta function allows remote attackers to corrupt memory and potentially achieve code execution with user interaction. Public exploit code exists for this vulnerability, increasing practical attack risk. …

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Vulnerability AssessmentAI

Risk Assessment	CVSS 6.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this vulnerability to compromise the affected system.
Remediation	A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems running quickjs-ng quickjs and apply vendor patches as part of regular patch cycle. …

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Vendor StatusVendor

SUSE

Severity: High

CVE-2026-1145 vulnerability details – vuln.today

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Quickjs CVE-2026-1145

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Vulnerability AssessmentAI

Recommended ActionAI

Vendor StatusVendor

SUSE

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External POC / Exploit Code