CVE-2026-1145

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 73% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
Elevated
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
56(Track)
EG Risk 56/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity88% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
34%
KEV
Not listed

Published

January 19, 2026

Last Modified

June 17, 2026

Advisory Details (5)

Auto-updated Aug 2, 2026
Patch available. Sources: github_commit, github_pr.
github_pr

Fix heap buffer overflow in js_typed_array_constructor_ta

Fix merged in quickjs-ng/quickjs PR #1306 on 2026-01-06 — awaiting tagged release

https://github.com/quickjs-ng/quickjs/pull/1306
generic

Heap buffer overflow in js_typed_array_constructor_ta · Issue #1305 · quickjs-ng/quickjs · GitHub

https://github.com/quickjs-ng/quickjs/issues/1305#issue-3785444372
generic

Heap buffer overflow in js_typed_array_constructor_ta · Issue #1305 · quickjs-ng/quickjs · GitHub

https://github.com/quickjs-ng/quickjs/issues/1305
generic

GitHub - quickjs-ng/quickjs: QuickJS, the Next Generation: a mighty JavaScript engine · GitHub

https://github.com/quickjs-ng/quickjs/
github_commit Patch Available

commit 53aebe66170d (paralin/quickjs)

Patch available: paralin/quickjs v0.11.0-wasi29-reactor-r3 (contains commit 53aebe66170d)

https://github.com/paralin/quickjs/commit/53aebe66170d545bb6265906fe4324e4477de8b4

Affected Packages

(4 across 4 ecosystems)
Alpine:v3.23(1)
PackageVulnerable rangeFixed inDependents
quickjs-ng—0.11.0-r1—
Alpine:v3.24(1)
PackageVulnerable rangeFixed inDependents
quickjs-ng—0.11.0-r2—
Debian:13(1)
PackageVulnerable rangeFixed inDependents
quickjs2025.04.26-1——
Debian:14(1)
PackageVulnerable rangeFixed inDependents
quickjs2025.04.26-1——

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 24× 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 167 total refreshes for this CVE.

  1. 2026-09-19 03:00 UTCOSV refresh
  2. 2026-09-18 19:27 UTCEPSS rescore
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  9. 2026-08-14 13:46 UTCGHSA enrichment
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  22. 2026-08-06 05:31 UTCGHSA enrichment
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  27. 2026-08-02 23:03 UTCEG score recompute▲ 2.50
  28. 2026-08-02 23:03 UTCGHSA enrichment
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  74. 2026-06-23 21:32 UTCEPSS rescore
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-1145?
CVE-2026-1145 is a high vulnerability published on January 19, 2026. A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function jstypedarrayconstructorta 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…
When was CVE-2026-1145 disclosed?
CVE-2026-1145 was first published in the National Vulnerability Database on January 19, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-1145 actively exploited?
CVE-2026-1145 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 66.5% of all scored CVEs.
What is the CVSS score of CVE-2026-1145?
CVE-2026-1145 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-1145?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-1145, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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