CVE-2026-34456 is a critical vulnerability affecting Reviactyl, an open-source game server management panel, specifically versions 26.2.0-beta.1 through 26.2.0-beta.4. This flaw in the OAuth authentication flow allowed automatic linking of social accounts based solely on matching email addresses. Rated 9.1 Critical (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N), it enables an unauthenticated attacker to achieve full account takeover by creating a social account with a victim's email. This attack requires no user interaction or prior authentication. While public exploit code is not currently available and it is not known to be actively exploited, the issue has garnered some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
26.2.0CPE matchmatch criteria | cpe:2.3:a:reviactyl:reviactyl:26.2.0:beta1:*:*:*:*:*:* | ||
26.2.0CPE matchmatch criteria | cpe:2.3:a:reviactyl:reviactyl:26.2.0:beta2:*:*:*:*:*:* | ||
26.2.0CPE matchmatch criteria | cpe:2.3:a:reviactyl:reviactyl:26.2.0:beta3:*:*:*:*:*:* | ||
26.2.0CPE matchmatch criteria | cpe:2.3:a:reviactyl:reviactyl:26.2.0:beta4:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
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.