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GHSA-XQJC-V467-8FVF
Vulnerability from github – Published: 2026-09-30 15:31 – Updated: 2026-09-30 18:33A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user.
This vulnerability is due to improper handling of URI encoding in an HTTP request, which allows the request to bypass an authentication rule that is intended to restrict access to a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted HTTP request to the API of the affected system. A successful exploit could allow the attacker to bypass authentication and gain access to the API as the admin user.
{
"affected": [],
"aliases": [
"CVE-2026-76504"
],
"database_specific": {
"cwe_ids": [
"CWE-177"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-09-30T13:17:20Z",
"severity": "CRITICAL"
},
"details": "A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user.\n\nThis vulnerability is due to improper handling of URI encoding in an HTTP request, which allows the request to bypass an authentication rule that is intended to restrict access to a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted HTTP request to the API of the affected system. A successful exploit could allow the attacker to bypass authentication and gain access to the API as the admin user.",
"id": "GHSA-xqjc-v467-8fvf",
"modified": "2026-09-30T18:33:25Z",
"published": "2026-09-30T15:31:25Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-76504"
},
{
"type": "WEB",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-webauth-xr8beuuU"
},
{
"type": "WEB",
"url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76504"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
CVE-2026-76504 (GCVE-0-2026-76504)
Vulnerability from cvelistv5 – Published: 2026-09-30 13:04 – Updated: 2026-10-02 23:23- CWE-177 - Improper Handling of URL Encoding (Hex Encoding)
| URL | Tags |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/c… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager |
Affected:
20.1.12
Affected: 19.2.1 Affected: 18.4.4 Affected: 18.4.5 Affected: 20.1.1.1 Affected: 20.1.1 Affected: 19.3.0 Affected: 19.2.2 Affected: 19.2.099 Affected: 18.3.6 Affected: 18.3.7 Affected: 19.2.0 Affected: 18.3.8 Affected: 19.0.0 Affected: 19.1.0 Affected: 18.4.302 Affected: 18.4.303 Affected: 19.2.097 Affected: 19.2.098 Affected: 17.2.10 Affected: 18.3.6.1 Affected: 19.0.1a Affected: 18.2.0 Affected: 18.4.3 Affected: 18.4.1 Affected: 17.2.8 Affected: 18.3.3.1 Affected: 18.4.0 Affected: 18.3.1 Affected: 17.2.6 Affected: 17.2.9 Affected: 18.3.4 Affected: 17.2.5 Affected: 18.3.1.1 Affected: 18.3.5 Affected: 18.4.0.1 Affected: 18.3.3 Affected: 17.2.7 Affected: 17.2.4 Affected: 18.3.0 Affected: 19.2.3 Affected: 18.4.501_ES Affected: 20.3.1 Affected: 20.1.2 Affected: 19.2.929 Affected: 19.2.31 Affected: 20.3.2 Affected: 19.2.32 Affected: 20.3.2_925 Affected: 20.3.2.1 Affected: 20.3.2.1_927 Affected: 18.4.6 Affected: 20.1.2_937 Affected: 20.4.1 Affected: 20.3.2_928 Affected: 20.3.2_929 Affected: 20.4.1.0.1 Affected: 20.3.2.1_930 Affected: 19.2.4 Affected: 20.5.0.1.1 Affected: 20.4.1.1 Affected: 20.3.3 Affected: 19.2.4.0.1 Affected: 20.3.2_937 Affected: 20.3.3.1 Affected: 20.5.1 Affected: 20.1.3 Affected: 20.3.3.0.4 Affected: 20.3.3.1.2 Affected: 20.3.3.1.1 Affected: 20.4.1.2 Affected: 20.3.3.0.2 Affected: 20.4.1.1.5 Affected: 20.4.1.0.01 Affected: 20.4.1.0.02 Affected: 20.3.3.1.7 Affected: 20.3.3.1.5 Affected: 20.5.1.0.1 Affected: 20.3.3.1.10 Affected: 20.3.3.0.8 Affected: 20.4.2 Affected: 20.4.2.0.1 Affected: 20.3.4 Affected: 20.3.3.0.14 Affected: 19.2.4.0.8 Affected: 19.2.4.0.9 Affected: 20.3.4.0.1 Affected: 20.3.2.0.5 Affected: 20.6.1 Affected: 20.5.1.0.2 Affected: 20.3.3.0.17 Affected: 20.6.1.1 Affected: 20.6.0.18.3 Affected: 20.3.2.0.6 Affected: 20.6.0.18.4 Affected: 20.4.2.0.2 Affected: 20.3.3.0.16 Affected: 20.3.4.0.5 Affected: 20.6.1.0.1 Affected: 20.3.4.0.6 Affected: 20.6.2 Affected: 20.7.1EFT2 Affected: 20.3.4.0.9 Affected: 20.3.4.0.11 Affected: 20.4.2.0.4 Affected: 20.3.3.0.18 Affected: 20.7.1 Affected: 20.6.2.1 Affected: 20.3.4.1 Affected: 20.5.1.1 Affected: 20.4.2.1 Affected: 20.4.2.1.1 Affected: 20.3.4.1.1 Affected: 20.3.813 Affected: 20.3.4.0.19 Affected: 20.4.2.2.1 Affected: 20.5.1.2 Affected: 20.3.4.2 Affected: 20.3.814 Affected: 20.4.2.2 Affected: 20.6.2.2 Affected: 20.3.4.2.1 Affected: 20.7.1.1 Affected: 20.3.4.1.2 Affected: 20.6.2.2.2 Affected: 20.3.4.0.20 Affected: 20.6.2.2.3 Affected: 20.4.2.2.2 Affected: 20.3.5 Affected: 20.6.2.0.4 Affected: 20.4.2.2.3 Affected: 20.3.4.0.24 Affected: 20.6.2.2.7 Affected: 20.6.3 Affected: 20.3.4.2.2 Affected: 20.4.2.2.4 Affected: 20.7.1.0.2 Affected: 20.8.1 Affected: 20.3.5.0.8 Affected: 20.3.5.0.9 Affected: 20.4.2.2.8 Affected: 20.3.5.0.7 Affected: 20.6.3.0.7 Affected: 20.6.3.0.5 Affected: 20.6.3.0.10 Affected: 20.6.3.0.2 Affected: 20.7.2 Affected: 20.9.1EFT2 Affected: 20.6.3.0.11 Affected: 20.6.3.1 Affected: 20.6.3.0.14 Affected: 20.6.4 Affected: 20.9.1 Affected: 20.6.3.0.19 Affected: 20.6.3.0.18 Affected: 20.3.6 Affected: 20.9.1.1 Affected: 20.6.3.0.23 Affected: 20.6.4.0.4 Affected: 20.6.3.0.25 Affected: 20.6.5 Affected: 20.6.3.0.27 Affected: 20.9.2 Affected: 20.9.2.1 Affected: 20.6.3.0.29 Affected: 20.6.3.0.31 Affected: 20.6.3.0.32 Affected: 20.10.1 Affected: 20.6.3.0.33 Affected: 20.9.2.0.01 Affected: 20.9.1_LI_Images Affected: 20.10.1_LI_Images Affected: 20.9.2_LI_Images Affected: 20.3.7 Affected: 20.9.3 Affected: 20.6.5.1 Affected: 20.11.1 Affected: 20.11.1_LI_Images Affected: 20.9.3_LI_ Images Affected: 20.6.3.1.1 Affected: 20.9.3.0.2 Affected: 20.6.5.1.2 Affected: 20.9.3.0.3 Affected: 20.4.2.3 Affected: 20.6.3.2 Affected: 20.6.4.1 Affected: 20.6.3.0.38 Affected: 20.6.3.0.39 Affected: 20.3.5.1 Affected: 20.3.4.3 Affected: 20.9.3.1 Affected: 20.3.3.2 Affected: 20.6.5.2 Affected: 20.3.7.1 Affected: 20.10.1.1 Affected: 20.6.5.2.1 Affected: 20.3.4.0.25 Affected: 20.6.2.2.4 Affected: 20.6.1.2 Affected: 20.11.1.1 Affected: 20.9.3.0.5 Affected: 20.3.4.0.26 Affected: 20.6.5.1.3 Affected: 20.6.3.0.40 Affected: 20.1.3.1 Affected: 20.9.2.2 Affected: 20.6.5.2.3 Affected: 20.6.5.1.4 Affected: 20.6.5.3 Affected: 20.6.3.0.41 Affected: 20.9.3.0.7 Affected: 20.6.5.1.5 Affected: 20.9.3.0.4 Affected: 20.6.4.0.19 Affected: 20.6.5.1.6 Affected: 20.9.3.0.8 Affected: 20.6.3.3 Affected: 20.3.7.2 Affected: 20.6.5.4 Affected: 20.6.5.1.7 Affected: 20.9.3.0.12 Affected: 20.6.4.2 Affected: 20.6.5.5 Affected: 20.9.3.2 Affected: 20.11.1.2 Affected: 20.6.3.4 Affected: 20.10.1.2 Affected: 20.6.5.1.9 Affected: 20.9.3.0.16 Affected: 20.6.3.0.45 Affected: 20.6.5.1.10 Affected: 20.9.3.0.17 Affected: 20.6.5.2.4 Affected: 20.6.4.0.21 Affected: 20.9.3.0.18 Affected: 20.6.3.0.46 Affected: 20.6.3.0.47 Affected: 20.9.2.3 Affected: 20.9.3.2_LI_Images Affected: 20.9.3.0.21 Affected: 20.9.3.0.20 Affected: 20.9.4_LI_Images Affected: 20.9.4 Affected: 20.6.5.1.11 Affected: 20.12.1 Affected: 20.12.1_LI_Images Affected: 20.6.5.1.13 Affected: 20.9.3.0.23 Affected: 20.6.5.2.8 Affected: 20.9.4.1 Affected: 20.9.4.1_LI_Images Affected: 20.9.3.0.25 Affected: 20.9.3.0.24 Affected: 20.6.5.1.14 Affected: 20.3.8 Affected: 20.6.6 Affected: 20.9.3.0.26 Affected: 20.6.3.0.51 Affected: 20.9.3.0.29 Affected: 20.12.2 Affected: 20.12.2_LI_Images Affected: 20.6.6.0.1 Affected: 20.13.1_LI_Images Affected: 20.9.4.0.4 Affected: 20.13.1 Affected: 20.9.4.1.1 Affected: 20.9.5 Affected: 20.9.5_LI_Images Affected: 20.12.3_LI_Images Affected: 20.12.3 Affected: 20.9.4.1.3 Affected: 20.6.7 Affected: 20.9.5.1 Affected: 20.9.5.1_LI_Images Affected: 20.9.4.1.6 Affected: 20.14.1 Affected: 20.14.1_LI_Images Affected: 20.9.5.2 Affected: 20.9.5.2.1 Affected: 20.9.5.2_LI_Images Affected: 20.12.3.1 Affected: 20.12.4 Affected: 20.15.1_LI_Images Affected: 20.15.1 Affected: 20.9.5.1.4 Affected: 20.9.5.2.7 Affected: 20.9.5.2.13 Affected: 20.9.6 Affected: 20.9.6_LI_Images Affected: 20.9.5.2.14 Affected: 20.6.8 Affected: 20.12.4.0.03 Affected: 20.16.1 Affected: 20.16.1_LI_Images Affected: 20.12.4_LI_Images Affected: 20.9.5.2.16 Affected: 20.12.4.0.4 Affected: 20.12.401 Affected: 20.9.5.3 Affected: 20.9.5.3_LI_Images Affected: 20.12.4.1_LI_Images Affected: 20.12.4.1 Affected: 20.9.5.2.21 Affected: 20.9.6.0.3 Affected: 20.12.4.0.6 Affected: 20.15.2_LI_Images Affected: 20.15.2 Affected: 20.12.4_Monthly_ES5 Affected: 20.12.5 Affected: 20.12.5_LI_Images Affected: 20.9.7_LI _Images Affected: 20.9.7 Affected: 20.15.3 Affected: 20.15.3_ LI _Images Affected: 20.12.501 Affected: 20.12.5.1_LI_Images Affected: 20.12.5.1 Affected: 20.12.5.2_LI_Images Affected: 20.12.5.2 Affected: 20.15.3.1 Affected: 20.15.4_LI_Images Affected: 20.15.4 Affected: 20.9.7.1_LI _Images Affected: 20.9.7.1 Affected: 20.18.1 Affected: 20.18.1_LI_Images Affected: 20.12.6_LI_Images Affected: 20.12.6 Affected: 20.12.5.1.01 Affected: 26.0.1 Affected: 20.9.8 Affected: 20.9.8_LI_Images Affected: 20.18.2 Affected: 20.15.4.1_LI_Images Affected: 20.15.4.1 Affected: 20.18.2_LI_Images Affected: 26.1.1 Affected: 26.1.1_LI_Images Affected: 20.18.2.1_LI_Images Affected: 20.18.2.1 Affected: 20.15.4.2_LI_Images Affected: 20.15.4.2 Affected: 20.12.6.1 Affected: 20.12.6.1_LI_Images Affected: 20.12.5.3 Affected: 20.12.5.3_LI_Images Affected: 20.9.8.2_LI_Images Affected: 20.9.8.2 Affected: 20.18.3 Affected: 20.18.3_LI_Images Affected: 20.15.5 Affected: 20.15.5_LI_Images Affected: 20.12.7 Affected: 20.12.7_LI_Images Affected: 20.9.9 Affected: 20.9.9_LI_Images Affected: 20.18.2.2 Affected: 20.18.2.2_LI_Images Affected: 20.12.5.4 Affected: 20.12.5.4_LI_ Images Affected: 20.12.7.1_LI_Images Affected: 20.12.6.2_LI_Images Affected: 20.12.7.1 Affected: 20.15.5.1 Affected: 20.15.4.3 Affected: 20.15.4.3_LI_Images Affected: 20.15.5.1_LI_Images Affected: 20.12.6.2 Affected: 20.15.5.2 Affected: 20.15.5.2_LI_Images Affected: 26.1.1.1_LI_Images Affected: 20.15.4.4 Affected: 20.15.4.4_LI_Images Affected: 26.1.1.1 Affected: 20.9.9.1_LI_Images Affected: 20.9.9.1 Affected: 20.18.3.1_LI_Images Affected: 20.18.3.1 Affected: 26.1.1.2 Affected: 26.1.1.2_LI_Images Affected: 20.15.4.5 Affected: 20.15.4.5_LI_Images Affected: 20.15.5.3 Affected: 20.15.5.3_LI_Images Affected: 20.12.7.2_LI_Images Affected: 20.12.7.2 Affected: 20.9.9.2 Affected: 20.9.9.2_LI_Images Affected: 20.15.6 Affected: 20.15.6_LI_Images Affected: 20.18.4_LI_Imagess Affected: 20.18.4 Affected: 20.12.8 Affected: 20.12.8_LI_Images Affected: 20.18.4_LI_Images Affected: 20.12.8.1 Affected: 20.12.8.1_LI_Images Affected: 20.9.10_LI_Images Affected: 20.9.10 Affected: 26.1.2_LI_Images Affected: 26.1.2 Affected: 20.15.6.0.5_PSIRTAUG Affected: 20.18.4.0.5_PSIRTAUG Affected: 20.12.8.1.1 Affected: 20.9.10.0.01 Affected: 26.1.2.0.02 Affected: 26.2.1_LI_Images Affected: 20.18.4.1.01 Affected: 26.1.2.1_LI_Images Affected: 20.15.6.1_LI_Images Affected: 20.18.4.1_LI_Images Affected: 20.9.10.1.01 Affected: 20.15.6.1.01 Affected: 26.1.2.1.01 Affected: 20.12.8.2.01 |
{
"containers": {
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{
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"other": {
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"id": "CVE-2026-76504",
"options": [
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{
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"role": "CISA Coordinator",
"timestamp": "2026-09-30T00:00:00+00:00",
"version": "2.0.3"
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{
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"reference": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-76504"
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"providerMetadata": {
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"title": "CISA ADP Vulnrichment"
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"cna": {
"affected": [
{
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"product": "Cisco Catalyst SD-WAN Manager",
"vendor": "Cisco",
"versions": [
{
"status": "affected",
"version": "20.1.12"
},
{
"status": "affected",
"version": "19.2.1"
},
{
"status": "affected",
"version": "18.4.4"
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{
"status": "affected",
"version": "18.4.5"
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{
"status": "affected",
"version": "20.1.1.1"
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{
"status": "affected",
"version": "20.1.1"
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{
"status": "affected",
"version": "19.3.0"
},
{
"status": "affected",
"version": "19.2.2"
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{
"status": "affected",
"version": "19.2.099"
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{
"status": "affected",
"version": "18.3.6"
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{
"status": "affected",
"version": "18.3.7"
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{
"status": "affected",
"version": "19.2.0"
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{
"status": "affected",
"version": "18.3.8"
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{
"status": "affected",
"version": "19.0.0"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "18.4.303"
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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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{
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{
"status": "affected",
"version": "17.2.8"
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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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{
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"version": "18.4.0.1"
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{
"status": "affected",
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{
"status": "affected",
"version": "17.2.7"
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{
"status": "affected",
"version": "17.2.4"
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{
"status": "affected",
"version": "18.3.0"
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{
"status": "affected",
"version": "19.2.3"
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{
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"version": "18.4.501_ES"
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{
"status": "affected",
"version": "20.3.1"
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{
"status": "affected",
"version": "20.1.2"
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{
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"version": "19.2.929"
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{
"status": "affected",
"version": "19.2.31"
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{
"status": "affected",
"version": "20.3.2"
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{
"status": "affected",
"version": "19.2.32"
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{
"status": "affected",
"version": "20.3.2_925"
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{
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"version": "20.3.2.1"
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{
"status": "affected",
"version": "20.3.2.1_927"
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{
"status": "affected",
"version": "18.4.6"
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{
"status": "affected",
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{
"status": "affected",
"version": "20.4.1"
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{
"status": "affected",
"version": "20.3.2_928"
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{
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"version": "20.3.2_929"
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{
"status": "affected",
"version": "20.4.1.0.1"
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{
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{
"status": "affected",
"version": "19.2.4"
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{
"status": "affected",
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{
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"version": "20.4.1.1"
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{
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{
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{
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{
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"version": "20.3.3.1"
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{
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"version": "20.5.1"
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{
"status": "affected",
"version": "20.1.3"
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{
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"version": "20.3.3.0.4"
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{
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{
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{
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{
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{
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{
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{
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{
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{
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"version": "20.3.3.1.5"
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{
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"version": "20.5.1.0.1"
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{
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"version": "20.3.3.1.10"
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{
"status": "affected",
"version": "20.3.3.0.8"
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"version": "20.12.7.1"
},
{
"status": "affected",
"version": "20.15.5.1"
},
{
"status": "affected",
"version": "20.15.4.3"
},
{
"status": "affected",
"version": "20.15.4.3_LI_Images"
},
{
"status": "affected",
"version": "20.15.5.1_LI_Images"
},
{
"status": "affected",
"version": "20.12.6.2"
},
{
"status": "affected",
"version": "20.15.5.2"
},
{
"status": "affected",
"version": "20.15.5.2_LI_Images"
},
{
"status": "affected",
"version": "26.1.1.1_LI_Images"
},
{
"status": "affected",
"version": "20.15.4.4"
},
{
"status": "affected",
"version": "20.15.4.4_LI_Images"
},
{
"status": "affected",
"version": "26.1.1.1"
},
{
"status": "affected",
"version": "20.9.9.1_LI_Images"
},
{
"status": "affected",
"version": "20.9.9.1"
},
{
"status": "affected",
"version": "20.18.3.1_LI_Images"
},
{
"status": "affected",
"version": "20.18.3.1"
},
{
"status": "affected",
"version": "26.1.1.2"
},
{
"status": "affected",
"version": "26.1.1.2_LI_Images"
},
{
"status": "affected",
"version": "20.15.4.5"
},
{
"status": "affected",
"version": "20.15.4.5_LI_Images"
},
{
"status": "affected",
"version": "20.15.5.3"
},
{
"status": "affected",
"version": "20.15.5.3_LI_Images"
},
{
"status": "affected",
"version": "20.12.7.2_LI_Images"
},
{
"status": "affected",
"version": "20.12.7.2"
},
{
"status": "affected",
"version": "20.9.9.2"
},
{
"status": "affected",
"version": "20.9.9.2_LI_Images"
},
{
"status": "affected",
"version": "20.15.6"
},
{
"status": "affected",
"version": "20.15.6_LI_Images"
},
{
"status": "affected",
"version": "20.18.4_LI_Imagess"
},
{
"status": "affected",
"version": "20.18.4"
},
{
"status": "affected",
"version": "20.12.8"
},
{
"status": "affected",
"version": "20.12.8_LI_Images"
},
{
"status": "affected",
"version": "20.18.4_LI_Images"
},
{
"status": "affected",
"version": "20.12.8.1"
},
{
"status": "affected",
"version": "20.12.8.1_LI_Images"
},
{
"status": "affected",
"version": "20.9.10_LI_Images"
},
{
"status": "affected",
"version": "20.9.10"
},
{
"status": "affected",
"version": "26.1.2_LI_Images"
},
{
"status": "affected",
"version": "26.1.2"
},
{
"status": "affected",
"version": "20.15.6.0.5_PSIRTAUG"
},
{
"status": "affected",
"version": "20.18.4.0.5_PSIRTAUG"
},
{
"status": "affected",
"version": "20.12.8.1.1"
},
{
"status": "affected",
"version": "20.9.10.0.01"
},
{
"status": "affected",
"version": "26.1.2.0.02"
},
{
"status": "affected",
"version": "26.2.1_LI_Images"
},
{
"status": "affected",
"version": "20.18.4.1.01"
},
{
"status": "affected",
"version": "26.1.2.1_LI_Images"
},
{
"status": "affected",
"version": "20.15.6.1_LI_Images"
},
{
"status": "affected",
"version": "20.18.4.1_LI_Images"
},
{
"status": "affected",
"version": "20.9.10.1.01"
},
{
"status": "affected",
"version": "20.15.6.1.01"
},
{
"status": "affected",
"version": "26.1.2.1.01"
},
{
"status": "affected",
"version": "20.12.8.2.01"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability in the API session-based authentication management of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user.\r\n\r\nThis vulnerability is due to improper handling of URI encoding in an HTTP request, which allows the request to bypass an authentication rule that is intended to restrict access to a specific API endpoint. An attacker could exploit this vulnerability by sending a crafted HTTP request to the API of the affected system. A successful exploit could allow the attacker to bypass authentication and gain access to the API as the admin user."
}
],
"exploits": [
{
"lang": "en",
"value": "In September 2026, the Cisco PSIRT became aware of active exploitation of this vulnerability. Cisco strongly recommends that customers upgrade to a fixed software release to remediate this vulnerability."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "cvssV3_1"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-177",
"description": "Improper Handling of URL Encoding (Hex Encoding)",
"lang": "en",
"type": "cwe"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-10-02T23:23:29.275Z",
"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"shortName": "cisco"
},
"references": [
{
"name": "cisco-sa-sdwan-webauth-xr8beuuU",
"url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-webauth-xr8beuuU"
}
],
"source": {
"advisory": "cisco-sa-sdwan-webauth-xr8beuuU",
"defects": [
"CSCww79570"
],
"discovery": "EXTERNAL"
},
"title": "Cisco Catalyst SD-WAN Manager System Account Authorization Bypass Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
"assignerShortName": "cisco",
"cveId": "CVE-2026-76504",
"datePublished": "2026-09-30T13:04:32.095Z",
"dateReserved": "2026-08-19T12:02:03.641Z",
"dateUpdated": "2026-10-02T23:23:29.275Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.