185 lines
7.5 KiB
JSON
185 lines
7.5 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-2026-92790",
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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": "2026-09-16T19:31:53.563Z",
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"datePublished": "2026-09-16T20:32:46.062Z",
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"dateUpdated": "2026-09-17T15:04:18.836Z"
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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": "2026-09-16T20:32:46.062Z"
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},
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"datePublic": "2026-08-26T00:00:00.000Z",
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"title": "Higress before 2.2.4 Rate Limit Bypass via Malformed Cookie Header",
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"descriptions": [
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{
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"lang": "en",
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"value": "Higress before 2.2.4 panics when processing a Cookie header segment without an equals sign, causing the plugin wrapper to recover and return a continue action that bypasses AI token rate limiting. Unauthenticated attackers can craft a malformed Cookie header to skip rate limit checks and exceed thresholds intended to restrict costly model backend calls."
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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": "Improper Check or Handling of Exceptional Conditions",
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"cweId": "CWE-703",
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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": "higress-group",
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"product": "higress",
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"defaultStatus": "unaffected",
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"packageURL": "pkg:golang/github.com/alibaba/higress/v2",
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"versions": [
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{
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"version": "0",
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"lessThan": "2.2.4",
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"status": "affected",
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"versionType": "semver"
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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:N/UI:N/VC:N/VI:L/VA:L/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": "NONE",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "LOW",
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"vulnAvailabilityImpact": "LOW",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"subAvailabilityImpact": "NONE",
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"baseScore": 6.9,
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"baseSeverity": "MEDIUM"
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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:N/UI:N/S:U/C:N/I:L/A:L",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "LOW",
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"availabilityImpact": "LOW",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM"
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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/higress-group/higress/issues/4599",
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"tags": [
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"issue-tracking"
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],
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"name": "GitHub Issue #4599"
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},
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{
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"url": "https://github.com/higress-group/higress",
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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/higress-group/higress/blob/v2.2.3/plugins/wasm-go/extensions/ai-token-ratelimit/util/utils.go#L52-L63",
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"tags": [
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"technical-description"
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],
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"name": "ExtractCookieValueByKey indexes kv[1] without checking the split length"
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},
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{
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"url": "https://github.com/higress-group/higress/blob/v2.2.4/plugins/wasm-go/extensions/ai-token-ratelimit/util/utils.go#L52-L63",
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"tags": [
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"patch"
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],
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"name": "2.2.4 uses SplitN with a length guard"
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},
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{
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"name": "VulnCheck Advisory: Higress before 2.2.4 Rate Limit Bypass via Malformed Cookie Header",
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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/higress-before-2.2.4-rate-limit-bypass-via-malformed-cookie-header"
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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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"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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"references": [
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{
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"url": "https://github.com/higress-group/higress/issues/4599",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-17T15:03:59.793001Z",
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"id": "CVE-2026-92790",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "yes"
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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": "2026-09-17T15:04:18.836Z"
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}
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}
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]
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}
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} |