4.3

CVE-2025-58199: fastly Cross-Site Request Forgery (CSRF)

CVSS: 4.3v3.1MediumDeferred
Published 22-09-2025Last modified 12-05-2026

Vulnerability summary

CVE-2025-58199 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in fastly. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3% of scored vulnerabilities. Fixed in 1.2.29.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-09-2025
    PublishedVulnerability first disclosed.
  2. 12-05-2026
    Last modifiedVulnerability information updated.

Description

Cross-Site Request Forgery (CSRF) vulnerability in Fastly Fastly fastly allows Cross Site Request Forgery.This issue affects Fastly: from n/a through <= 1.2.28.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Fastly1 product
Wordpress1 product
  • fastly≤ 1.2.28 (fixed in 1.2.29)

2 vendors · 2 products

References

2 links