High 8.1Published Oct 9, 2026

CVE-2026-108157Pingvin Share X 0.19.0 before 1.22.0 Account Takeover via OAuth Email Linking

Updated under an hour ago (2026-10-19 06:30 UTC)

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It affects smp46 pingvin-share-x. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.53%, higher than 44% of scored CVEs.

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Every CVE for smp46 pingvin-share-x

Exploited in the last 30 days

Pingvin Share X from 0.19.0 before 1.22.0 contains an improper authentication vulnerability that allows remote unauthenticated attackers to take over accounts by abusing automatic OAuth email linking in OAuthService.signUp(). Attackers can register a victim's unverified email on an enabled OAuth/OIDC provider, exploiting the missing email_verified check in GenericOidcProvider, to sign in as the victim including administrators while bypassing TOTP.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.53% (percentile 44)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

smp46 pingvin-share-x smp46:pingvin_share_x (from the name)	from 0.19.0 before 1.22.0	CNA record

References

https://github.com/smp46/pingvin-share-x/security/advisories/GHSA-wrcg-4874-45p7vendor-advisory
https://github.com/smp46/pingvin-share-x/commit/07aa8c0a96030c439e9018ce94a2778bd37304e6patch
https://github.com/smp46/pingvin-share-x/blob/de7ffecf9bfc4976993149a5c4c98efe35161424/backend/src/oauth/oauth.service.ts#L158-L175technical-description
https://github.com/smp46/pingvin-share-x/releases/tag/v1.22.0release-notes
https://github.com/smp46/pingvin-share-xproduct
https://www.vulncheck.com/advisories/pingvin-share-x-0.19.0-before-1.22.0-account-takeover-via-oauth-email-linkingthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.