Medium severity · published Sep 28, 2026
CVE-2026-100895
Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference
5.3
CVSS
0.4%
EPSS
No
On KEV
Description
A security flaw has been discovered in Trusted Domain Project OpenARC up to 1.0.0.Beta1. Impacted is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.0.0.Beta0 is recommended to address this issue. Upgrading the affected component is advised.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 35% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenARC · Trusted Domain Project
1.0.0.Beta1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100895
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100895
vdb-entry
https://vuldb.com/vuln/410845
signature
https://vuldb.com/vuln/410845/cti
third-party-advisory
https://vuldb.com/cve/CVE-2026-100895
third-party-advisory
https://vuldb.com/submit/917187
exploit
https://weitongli.com/share/openarc-c-tag-null-deref.html
patch
https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0