CVE-2026-31813 affects Supabase Auth versions prior to 2.185.0, allowing attackers to issue sessions for arbitrary users when Apple or Azure providers are enabled. This vulnerability, rated Medium (CVSS 4.8), involves a network-based attack with high complexity, requiring the attacker to craft specific OIDC-compliant ID tokens from an attacker-controlled issuer. Successful exploitation grants attackers AAL1 user sessions, resulting in low confidentiality and integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.185.0CPE matchmatch criteria | cpe:2.3:a:supabase:auth:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.