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CVE-2023-45128

26
FAUCET Score

CVE-2023-45128 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Fiber web framework for Go, allowing attackers to inject arbitrary values and forge malicious requests on behalf of users due to improper CSRF token validation. This vulnerability carries a high CVSS score of 8.8, indicating a critical risk with network-based attacks, low complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, exploit code, or significant community discussion has been observed, users are strongly advised to upgrade to Fiber version 2.50.0 or later to mitigate this risk. Additional defense-in-depth measures like captchas, 2FA, and secure session cookie settings are also recommended.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.50.0CPE matchmatch criteria
cpe:2.3:a:gofiber:fiber:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 28th percentile among its peer group of 14,855 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
gopatch availablevia ghsa
Product: github.com/gofiber/fiber/v2Fixed in: 2.50.0

Vendor Advisories (1)

goGHSA-94w9-97p3-p368critical

CSRF Token Reuse Vulnerability

Oct 17, 2023

References

github.com / gofiber/fiber/commit/8c3916dbf4ad2ed427d02c6eb63ae8b2fa8f019a
Patch
github.com / gofiber/fiber/security/advisories/GHSA-94w9-97p3-p368
MitigationVendor Advisory