{"cve":"CVE-2026-89090","nvd":{"published":"2026-09-11T18:17:00.097","modified":"2026-09-11T20:19:22.680","status":"Awaiting Analysis","description":"An unrecovered panic in the event stream header decoder in Amazon AWS SDK for Go v2 before release-2026-03-23 might allow an unauthenticated remote actor to terminate the consuming application process via a crafted event stream response frame containing a header value type outside the valid range.\n\n\n\nTo remediate this issue, users should upgrade to release-2026-03-23 or later, and patch any forked or derivative code.","cvss_v4":{"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-248"],"references":["https://aws.amazon.com/security/security-bulletins/2026-110-aws/","https://github.com/aws/aws-sdk-go-v2/releases/tag/release-2026-03-23","https://github.com/aws/aws-sdk-go-v2/security/advisories/GHSA-xmrv-pmrh-hhx2"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:53:43.293028046+00:00"},"epss":{"cve":"CVE-2026-89090","score":0.00305,"percentile":0.23335,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xmrv-pmrh-hhx2","url":"https://osv.dev/vulnerability/GHSA-xmrv-pmrh-hhx2","summary":"Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder","modified":"2026-09-12T04:10:37.759930105Z","packages":[{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream","ranges":["<1.7.8"],"fixed":["1.7.8"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockagentcore","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockagentcore","ranges":["<1.15.2"],"fixed":["1.15.2"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockagentruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockagentruntime","ranges":["<1.51.8"],"fixed":["1.51.8"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockruntime","ranges":["<1.50.4"],"fixed":["1.50.4"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs","ranges":["<1.65.0"],"fixed":["1.65.0"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/iotsitewise","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/iotsitewise","ranges":["<1.52.19"],"fixed":["1.52.19"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/kinesis","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/kinesis","ranges":["<1.43.5"],"fixed":["1.43.5"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/lambda","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/lambda","ranges":["<1.88.5"],"fixed":["1.88.5"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/lexruntimev2","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/lexruntimev2","ranges":["<1.35.15"],"fixed":["1.35.15"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/s3","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/s3","ranges":["<1.97.3"],"fixed":["1.97.3"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/sagemakerruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/sagemakerruntime","ranges":["<1.39.6"],"fixed":["1.39.6"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/transcribestreaming","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/transcribestreaming","ranges":["<1.34.5"],"fixed":["1.34.5"]}]},{"id":"GO-2026-5764","url":"https://osv.dev/vulnerability/GO-2026-5764","summary":"DoS due to Panic in AWS SDK for Go v2 SDK EventStream Decoder in github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream","modified":"2026-09-12T04:10:37.759930105Z","packages":[{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream","ranges":["<1.7.8"],"fixed":["1.7.8"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockagentcore","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockagentcore","ranges":["<1.15.2"],"fixed":["1.15.2"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockagentruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockagentruntime","ranges":["<1.51.8"],"fixed":["1.51.8"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/bedrockruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/bedrockruntime","ranges":["<1.50.4"],"fixed":["1.50.4"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/cloudwatchlogs","ranges":["<1.65.0"],"fixed":["1.65.0"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/iotsitewise","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/iotsitewise","ranges":["<1.52.19"],"fixed":["1.52.19"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/kinesis","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/kinesis","ranges":["<1.43.5"],"fixed":["1.43.5"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/lambda","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/lambda","ranges":["<1.88.5"],"fixed":["1.88.5"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/lexruntimev2","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/lexruntimev2","ranges":["<1.35.15"],"fixed":["1.35.15"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/s3","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/s3","ranges":["<1.97.3"],"fixed":["1.97.3"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/sagemakerruntime","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/sagemakerruntime","ranges":["<1.39.6"],"fixed":["1.39.6"]},{"ecosystem":"Go","name":"github.com/aws/aws-sdk-go-v2/service/transcribestreaming","purl":"pkg:golang/github.com/aws/aws-sdk-go-v2/service/transcribestreaming","ranges":["<1.34.5"],"fixed":["1.34.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}