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CVE-2025-68481

27
FAUCET Score

CVE-2025-68481 is a high-severity login Cross-Site Request Forgery (CSRF) vulnerability affecting FastAPI Users versions prior to 15.0.2. The flaw stems from stateless OAuth login state tokens, allowing an attacker to trick a victim into logging into the attacker's account or facilitating account takeover. With a CVSS score of 8.8, this vulnerability is easily exploitable over the network with low complexity and user interaction, potentially leading to high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.0.2CPE matchmatch criteria
cpe:2.3:a:fastapi-users_project:fastapi_users:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.6
Impact Score
4.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
13.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 13th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media 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 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
pippatch availablevia ghsa
Product: fastapi-usersFixed in: 15.0.2

Vendor Advisories (1)

pipGHSA-5j53-63w8-8625medium

FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

Dec 19, 2025

References

github.com / fastapi-users/fastapi-users/blob/bcee8c9b884de31decb5d799aead3974a0b5b158/fastapi_users/router/oauth.py
Product
github.com / fastapi-users/fastapi-users/blob/bcee8c9b884de31decb5d799aead3974a0b5b158/fastapi_users/router/oauth.py
Product
github.com / fastapi-users/fastapi-users/commit/7cf413cd766b9cb0ab323ce424ddab2c0d235932
Patch
github.com / fastapi-users/fastapi-users/security/advisories/GHSA-5j53-63w8-8625
ExploitVendor Advisory