182 lines
7.7 KiB
JSON
182 lines
7.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55076",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T14:33:35.711Z",
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"datePublished": "2026-07-07T22:23:26.179Z",
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"dateUpdated": "2026-07-08T14:03:39.329Z"
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},
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"containers": {
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"cna": {
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"title": "Coder's OIDC email_verified type coercion bypass enables account takeover via unverified email linking",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-287",
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"lang": "en",
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"description": "CWE-287: Improper Authentication",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-704",
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"lang": "en",
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"description": "CWE-704: Incorrect Type Conversion or Cast",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "HIGH",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 7.4,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/coder/coder/security/advisories/GHSA-75vm-6w67-gwvp",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/coder/coder/security/advisories/GHSA-75vm-6w67-gwvp"
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},
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{
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"name": "https://github.com/coder/coder/pull/25712",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/pull/25712"
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},
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{
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"name": "https://github.com/coder/coder/pull/25713",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/pull/25713"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.29.17",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.29.17"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.32.7",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.32.7"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.33.8",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.33.8"
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},
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{
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"name": "https://github.com/coder/coder/releases/tag/v2.34.2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/coder/coder/releases/tag/v2.34.2"
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}
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],
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"affected": [
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{
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"vendor": "coder",
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"product": "coder",
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"versions": [
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{
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"version": ">= 2.34.0, < 2.34.2",
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"status": "affected"
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},
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{
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"version": ">= 2.33.0, < 2.33.8",
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"status": "affected"
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},
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{
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"version": ">= 2.30.0, < 2.32.7",
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"status": "affected"
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},
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{
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"version": "< 2.29.17",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-07-07T22:23:26.179Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, Coder's OIDC callback checked `email_verified` with a direct Go `bool` type assertion. When an IdP returned the claim as a non-boolean (for example the string `\"false\"`) or omitted it, the assertion failed open and the email was treated as verified. Combined with an unconditional email-based account fallback, this enabled account takeover. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 coerces `email_verified` across bool, string and numeric types (fail-closed) and blocks the email fallback when the matched user already has a different linked IdP subject. As a workaround, ensure the IdP returns `email_verified` as a native JSON boolean. The email-fallback linking issue has no configuration workaround; upgrading is required."
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}
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],
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"source": {
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"advisory": "GHSA-75vm-6w67-gwvp",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-07-08T14:03:30.696230Z",
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"id": "CVE-2026-55076",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-07-08T14:03:39.329Z"
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}
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}
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]
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}
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} |