Guzzle OAuth Subscriber signs Guzzle requests using OAuth 1.0. Prior to 0.8.1, Nonce generation does not use sufficient entropy nor a cryptographically secure pseudorandom source. This can leave servers vulnerable to replay attacks when TLS is not used. This vulnerability is fixed in 0.8.1.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-338"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21617.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "0.8.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "92b619b03bd21396e51c62e6bce83467d2ce8f53"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "0.8.1",
"range": [
{
"fixed": "92b619b03bd21396e51c62e6bce83467d2ce8f53"
}
],
"source": "REFERENCES_TAG"
}
]
}