Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck

CVE-2026-115400crawlseo before 0.2.5 Cleartext Storage of Google OAuth Tokens

Medium 4.4

In plain English

A medium-severity security flaw in crawlseo from crawlseo. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 1% of all known vulnerabilities).

Severity (CVSS 3.1)4.4Medium

Exploit odds (30 days)0.1%top 99.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

crawlseo before version 0.2.5 contains a cleartext storage vulnerability that allows attackers with database read access to obtain Google OAuth access and refresh tokens stored unencrypted in the User.googleTokens column. Attackers can read the plaintext long-lived refresh tokens from a compromised or exposed Postgres database to gain indefinite, unauthenticated access to all registered users' Google Search Console data.

Affected products (as reported)

Vendor	Product	Versions
crawlseo	crawlseo	0.1.0 – before 0.2.5

Weakness: CWE-312 · Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

References

crawlseo v0.2.5 Release Notes patch, release-notes
https://gist.github.com/mansurmavlankulov/47cb8e183fec39a7afe599d1082a3399 technical-description
https://github.com/crawlseo/crawlseo/commit/2ce0b4b2bdd6047e0a9ede037fd355381968d9bc issue-tracking, patch
VulnCheck Advisory: crawlseo before 0.2.5 Cleartext Storage of Google OAuth Tokens third-party-advisory