Buffer Overflow in janet-lang janet (CVE-2026-10267)
Summary
Vulnerability in janet-lang janet (CVE-2026-10267). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
A security flaw has been discovered in janet-lang janet up to 1.41.0. This affects the function doframe of the file src/core/debug.c. Performing a manipulation results in out-of-bounds read. Attacking locally is a requirement. The exploit has been released to the public and may be used for attacks. The patch is named ed17dd2c5913a23fb1107251e44a9410a3c30cf5.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-10267 has been found in janet-lang janet.
Risk of unauthorized operations or information disclosure. CVSS score: 3.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "janet-lang janet CVE-2026-10267" on the vendor's site.
CVE-2026-10267 (janet-lang janet) — CWE-119 / CVSS v3 3.3
Attack vector: local / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-119) exists in janet-lang janet.
Check the vendor advisory for the affected versions of janet-lang janet.
Severity: Low (CVSS 3.3/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで janet-lang janet を使っているサービスとバージョンを洗い出す。
-
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory nvd.nist.gov
- advisory vuldb.com
- advisory vuldb.com
- advisory vuldb.com
- advisory github.com
- patch github.com
- report github.com
- report github.com
- report github.com
- report vuldb.com
- web github.com
- web github.com
- web github.com