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fastly vulnerabilities

8 published CVES affecting fastly, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
8
Critical
0
High
2
Medium
6
Low
0
Unscored
0
CISA KEV
0
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Latest fastly CVEs

Newest publication first

  1. CVE-2025-8671 CVE-2025-8671

    Published
    HighCVSS 7.5 EPSS 3.4%

    A mismatch caused by client-triggered server-sent stream resets between HTTP/2 specifications and the internal architectures of some HTTP/2 implementations may result in excessive server resource consumption leading to denial-of-service (DoS). By opening streams and then rapidly...

  2. MediumCVSS 6.1 EPSS 0.55%

    A vulnerability was found in Fastly Plugin up to 0.97 on WordPress. It has been rated as problematic. Affected by this issue is the function post of the file lib/api.php. The manipulation of the argument url leads to cross site scripting. The attack may be launched remotely. Upgr...

  3. HighCVSS 7.5 EPSS 0.94%

    The JS Compute Runtime for Fastly's Compute@Edge platform provides the environment JavaScript is executed in when using the Compute@Edge JavaScript SDK. In versions prior to 0.5.3, the Math.random and crypto.getRandomValues methods fail to use sufficiently random values. The init...

  4. MediumCVSS 6.5 EPSS 1.2%

    The Fastly CDN module before 1.2.26 for Magento2, when used with a third-party authentication plugin, might allow remote authenticated users to obtain sensitive information from authenticated sessions via vectors involving caching of redirect responses.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.