197 lines
7.8 KiB
JSON
197 lines
7.8 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-2026-123783",
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"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"state": "PUBLISHED",
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"assignerShortName": "VulnCheck",
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"dateReserved": "2026-11-06T14:37:45.763Z",
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"datePublished": "2026-11-06T15:00:59.895Z",
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"dateUpdated": "2026-11-06T17:28:18.374Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
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"shortName": "VulnCheck",
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"dateUpdated": "2026-11-06T15:00:59.895Z"
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},
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"datePublic": "2026-10-16T00:00:00.000Z",
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"title": "Skyvern through 1.0.56 Script Sandbox Bypass via types.CodeType Bytecode",
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"descriptions": [
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{
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"lang": "en",
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"value": "Skyvern through 1.0.56 contains a sandbox bypass vulnerability that allows authenticated users to execute code by reconstructing functions from raw bytecode with types.CodeType. Attackers can deploy scripts that evade the is_safe_script_code AST denylist and import blocked modules such as subprocess or socket to run code in the Skyvern server process."
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"description": "Incomplete List of Disallowed Inputs",
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"cweId": "CWE-184",
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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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"affected": [
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{
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"vendor": "Skyvern-AI",
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"product": "skyvern",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:pypi/skyvern",
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"versions": [
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{
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"version": "0",
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"status": "affected",
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"versionType": "semver",
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"lessThanOrEqual": "1.0.56"
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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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"format": "CVSS",
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"cvssV4_0": {
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"version": "4.0",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 8.7,
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"baseSeverity": "HIGH"
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}
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},
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{
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"format": "CVSS",
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 8.8,
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"baseSeverity": "HIGH"
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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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"url": "https://github.com/Skyvern-AI/skyvern/issues/8927",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #8927"
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},
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{
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"url": "https://github.com/Skyvern-AI/skyvern",
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"tags": [
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"product"
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]
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},
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{
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"url": "https://github.com/Skyvern-AI/skyvern/pull/8937",
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"name": "Fix pull request #8937",
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"tags": [
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"issue-tracking",
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"patch"
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]
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},
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{
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"url": "https://github.com/Skyvern-AI/skyvern/commit/31a64c1a4b5dfaf1e76a7164845e10f2d68248dc",
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"name": "Fix commit 31a64c1",
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"tags": [
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"patch"
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]
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},
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{
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"url": "https://github.com/Skyvern-AI/skyvern/blob/v1.0.56/skyvern/forge/sdk/workflow/code_block_safety.py#L106-L142",
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"name": "Script AST denylist",
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"tags": [
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"technical-description"
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]
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},
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{
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"url": "https://github.com/Skyvern-AI/skyvern/blob/v1.0.56/skyvern/forge/sdk/workflow/service.py#L1509-L1511",
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"name": "Script module execution",
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"tags": [
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"technical-description"
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]
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},
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{
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"name": "VulnCheck Advisory: Skyvern through 1.0.56 Script Sandbox Bypass via types.CodeType Bytecode",
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"tags": [
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"third-party-advisory"
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],
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"url": "https://www.vulncheck.com/advisories/skyvern-through-1.0.56-script-sandbox-bypass-via-types-codetype-bytecode"
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "George Chen",
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"type": "finder"
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},
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{
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"lang": "en",
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"value": "Aaron Perez",
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"type": "remediation developer"
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}
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],
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"x_generator": {
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"engine": "vulncheck-endgame"
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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": "2026-11-06T17:27:54.295241Z",
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"id": "CVE-2026-123783",
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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": "total"
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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": "2026-11-06T17:28:18.374Z"
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}
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}
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]
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}
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} |