{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/16720?format=json","vulnerability_id":"VCID-sajm-cnn5-jqac","summary":"Go SDK for CloudEvents's use of WithRoundTripper to create a Client leaks credentials\n### Impact\n_What kind of vulnerability is it? Who is impacted?_\nUsing cloudevents.WithRoundTripper to create a cloudevents.Client with an authenticated http.RoundTripper causes the go-sdk to leak credentials to arbitrary endpoints.\n\nThe relevant code is [here](https://github.com/cloudevents/sdk-go/blob/67e389964131d55d65cd14b4eb32d57a47312695/v2/protocol/http/protocol.go#L104-L110) (also inline, emphasis added):\n\n<pre>if p.Client == nil {\n  p.Client = **http.DefaultClient**\n}\n\nif p.roundTripper != nil {\n  p.Client.**Transport = p.roundTripper**\n}\n</pre>\n\nWhen the transport is populated with an authenticated transport such as:\n- [oauth2.Transport](https://pkg.go.dev/golang.org/x/oauth2#Transport)\n- [idtoken.NewClient(...).Transport](https://pkg.go.dev/google.golang.org/api/idtoken#NewClient)\n\n... then http.DefaultClient is modified with the authenticated transport and will start to send Authorization tokens to\n**any endpoint** it is used to contact!\n\nFound and patched by: @tcnghia and @mattmoor\n\n### Patches\nv.2.15.2","aliases":[{"alias":"CVE-2024-28110"},{"alias":"GHSA-5pf6-2qwx-pxm2"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/56322?format=json","purl":"pkg:golang/github.com/cloudevents/sdk-go/v2@2.15.2","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:golang/github.com/cloudevents/sdk-go/v2@2.15.2"}],"affected_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/93549?format=json","purl":"pkg:rpm/redhat/openshift-pipelines-client@1.15.0-11496?arch=el8","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-aj2b-56uj-gkar"},{"vulnerability":"VCID-bq1t-9nnj-mkes"},{"vulnerability":"VCID-jwrn-5t32-3fbq"},{"vulnerability":"VCID-q1ze-sun1-xkah"},{"vulnerability":"VCID-sajm-cnn5-jqac"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/openshift-pipelines-client@1.15.0-11496%3Farch=el8"}],"references":[{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-28110.json","reference_id":"","reference_type":"","scores":[{"value":"6.5","scoring_system":"cvssv3","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-28110.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2024-28110","reference_id":"","reference_type":"","scores":[{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33086","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33428","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33464","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33439","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33408","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33252","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33235","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33156","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33042","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33111","published_at":"2026-05-07T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.3315","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33061","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33539","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33572","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33412","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33455","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.3349","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33493","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00137","scoring_system":"epss","scoring_elements":"0.33452","published_at":"2026-04-12T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2024-28110"},{"reference_url":"https://github.com/cloudevents/sdk-go","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/cloudevents/sdk-go"},{"reference_url":"https://github.com/cloudevents/sdk-go/blob/67e389964131d55d65cd14b4eb32d57a47312695/v2/protocol/http/protocol.go#L104-L110","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-03-07T16:39:07Z/"}],"url":"https://github.com/cloudevents/sdk-go/blob/67e389964131d55d65cd14b4eb32d57a47312695/v2/protocol/http/protocol.go#L104-L110"},{"reference_url":"https://github.com/cloudevents/sdk-go/commit/de2f28370b0d2a0f64f92c0c6139fa4b8a7c3851","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-03-07T16:39:07Z/"}],"url":"https://github.com/cloudevents/sdk-go/commit/de2f28370b0d2a0f64f92c0c6139fa4b8a7c3851"},{"reference_url":"https://github.com/cloudevents/sdk-go/security/advisories/GHSA-5pf6-2qwx-pxm2","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2024-03-07T16:39:07Z/"}],"url":"https://github.com/cloudevents/sdk-go/security/advisories/GHSA-5pf6-2qwx-pxm2"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=2268372","reference_id":"2268372","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2268372"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:0040","reference_id":"RHSA-2024:0040","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:0040"},{"reference_url":"https://access.redhat.com/errata/RHSA-2024:1333","reference_id":"RHSA-2024:1333","reference_type":"","scores":[],"url":"https://access.redhat.com/errata/RHSA-2024:1333"}],"weaknesses":[{"cwe_id":522,"name":"Insufficiently Protected Credentials","description":"The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval."}],"exploits":[],"severity_range_score":"6.5 - 8.9","exploitability":"0.5","weighted_severity":"8.0","risk_score":4.0,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-sajm-cnn5-jqac"}