CVE-2026-26333 affects Calero VeraSMART versions prior to 2022 R1, exposing an unauthenticated .NET Remoting HTTP service. This critical vulnerability (CVSS 9.8) allows unauthenticated remote attackers to perform arbitrary file read/write operations, retrieve sensitive configuration files, and achieve remote code execution within the IIS application context. Attackers can also trigger outbound SMB authentication to potentially capture NTLMv2 hashes. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2022.0CPE matchmatch criteria | cpe:2.3:a:calero:verasmart:*:*:*:*:*:*:*:* | ||
2022.0CPE matchmatch criteria | cpe:2.3:a:calero:verasmart:2022.0:-:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.