CVE-2026-10267: medium-severity vulnerability in janet-lang janet
janet-lang janet debug.c doframe out-of-bounds
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 4.8epss 0.1%
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.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
janet-lang · janetpublic PoCs found — 1
cve_referencegithub.com/biniamf/pocs/tree/main/janet-debug-janet-doframe-env-data-oobreadunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — janet-lang janet
In the same product, most dangerous first.
CVE-2026-2869MEDIUMjanet-lang janet handleattr specials.c janetc_varset out-of-boundsEPSS 0.2%CVE-2026-2241MEDIUMjanet-lang janet os.c os_strftime out-of-boundsEPSS 0.2%CVE-2026-2242MEDIUMjanet-lang janet specials.c janetc_if out-of-boundsEPSS 0.2%CVE-2026-2240MEDIUMjanet-lang janet compile.c janetc_pop_funcdef out-of-boundsEPSS 0.2%CVE-2026-10268MEDIUMjanet-lang janet marsh.c unmarshal_one_fiber integer overflowEPSS 0.1%
References
https://github.com/biniamf/pocs/tree/main/janet-debug-janet-doframe-env-data-oobreadhttps://github.com/janet-lang/janet/https://github.com/janet-lang/janet/commit/ed17dd2c5913a23fb1107251e44a9410a3c30cf5https://github.com/janet-lang/janet/issues/1743https://github.com/janet-lang/janet/issues/1743#issuecomment-4322129448https://vuldb.com/cve/CVE-2026-10267https://vuldb.com/submit/825072https://vuldb.com/vuln/367546https://vuldb.com/vuln/367546/cti