PT-2026-45428 · Git+1 · Janet

Biniam · CVE-2026-10267 · Published 2026-06-01 · Updated 2026-06-01

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions janet-lang janet versions prior to 1.41.1

Description A flaw in the doframe() function within the src/core/debug.c file allows for an out-of-bounds read, which occurs when a specific manipulation is performed. This issue requires local access to be exploited.

Recommendations Update janet-lang janet to version 1.41.1 or apply patch ed17dd2c5913a23fb1107251e44a9410a3c30cf5. As a temporary mitigation, restrict local access to the system to prevent exploitation of the doframe() function.

Exploit

Fix

Buffer Overflow

Out of bounds Read

Weakness Enumeration

CWE-119

CWE-125

Related Identifiers

CVE-2026-10267

Affected Products

Janet

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/10xxx/CVE-2026-10267.json · Exploit
• 🔥 https://github.com/biniamf/pocs/tree/main/janet-debug-janet-doframe-env-data-oobread · Exploit
• https://github.com/janet-lang/janet/commit/ed17dd2c5913a23fb1107251e44a9410a3c30cf5 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-10267 · Security Note
• https://osv.dev/vulnerability/CVE-2026-10267 · Vendor Advisory
• https://github.com/janet-lang/janet/issues/1743 · Note
• https://github.com/janet-lang/janet/issues/1743#issuecomment-4322129448 · Note
• https://vuldb.com/submit/825072 · Note
• https://vuldb.com/cve/CVE-2026-10267 · Note
• https://vuldb.com/vuln/367546 · Note
• https://vuldb.com/vuln/367546/cti · Note
• https://github.com/janet-lang/janet · Note