CVE Explorer
CVE-2025-66630
Fiber is an Express inspired web framework written in Go. Before 2.52.11, on Go versions prior to 1.24, the underlying crypto/rand implementation can return an error if secure randomness cannot be obtained. Because no error is returned by the Fiber v2 UUID functions, application code may unknowingly rely on predictable, repeated, or low-entropy identifiers in security-critical pathways. This is especially impactful because many Fiber v2 middleware components (session middleware, CSRF, rate limit
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"fiber","vendor":"gofiber","versions":[{"status":"affected","version":"< 2.52.11"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.2,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-338","description":"CWE-338: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/problemTypes/0/descriptions/0
Source references
3 source assertions{"name":"https://github.com/gofiber/fiber/commit/eb874b6f6c5896b968d9b0ab2b56ac7052cb0ee1","tags":["x_refsource_MISC"],"url":"https://github.com/gofiber/fiber/commit/eb874b6f6c5896b968d9b0ab2b56ac7052cb0ee1"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/references/1
{"name":"https://github.com/gofiber/fiber/releases/tag/v2.52.11","tags":["x_refsource_MISC"],"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.11"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/references/2
{"name":"https://github.com/gofiber/fiber/security/advisories/GHSA-68rr-p4fp-j59v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gofiber/fiber/security/advisories/GHSA-68rr-p4fp-j59v"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:e536f3baa8f1bd1d8e1990087867d0a8f1c6e2cd3aa27a4b8c59faf725d62043 · sha256:d8157c45f1ac6080… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.