CVE-2026-2522 is a critical memory corruption vulnerability affecting Open5GS up to version 2.7.6, specifically within an unknown function of the MME component's /src/mme/esm-build.c file. With a CVSS score of 9.8 (CRITICAL), this vulnerability is remotely exploitable with low attack complexity, requiring no user interaction or privileges, and can lead to high impact on confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, the exploit has been publicly disclosed, and there is significant community discussion surrounding it, though no known Metasploit or ExploitDB modules exist yet.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.7.6CPE matchmatch criteria | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/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.