180 lines
9.0 KiB
JSON
180 lines
9.0 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-2026-85546",
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"assignerOrgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
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"state": "PUBLISHED",
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"assignerShortName": "CIRCL",
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"dateReserved": "2026-09-04T09:27:23.080Z",
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"datePublished": "2026-09-04T09:27:36.525Z",
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"dateUpdated": "2026-09-10T07:53:21.692Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"defaultStatus": "unaffected",
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"product": "misp",
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"repo": "https://github.com/MISP/MISP",
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"vendor": "misp",
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"versions": [
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{
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"lessThanOrEqual": "2.4.45",
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"status": "affected",
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"version": "0",
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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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"credits": [
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Andras Iklody"
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},
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{
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"lang": "en",
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"type": "finder",
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"value": "Scottish Government - National Cyber Team"
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},
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{
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"lang": "en",
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"type": "finder",
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"value": "Peter James"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>MISP contains a cross-site request forgery (CSRF) vulnerability in the sharing group quick-edit functionality. The <code>addOrg</code>, <code>removeOrg</code>, <code>addServer</code>, and <code>removeServer</code> actions share the <code>__initialiseSGQuickEdit()</code> helper, where the HTTP method validation intended to restrict these operations to POST requests was commented out.</p><p>As a result, these state-changing actions could be invoked using GET requests. An attacker could craft a URL targeting one of the affected actions and cause an authenticated MISP user with sufficient privileges to request it, for example through a malicious link or embedded web resource.</p><p>Successful exploitation could modify the membership of a MISP sharing group without the victim intentionally performing the operation. Depending on the action performed, an attacker could add or remove organisations or servers from a sharing group, potentially granting unintended access to information distributed through that sharing group or disrupting legitimate information sharing.</p><p>The patch restores HTTP method enforcement centrally in <code>__initialiseSGQuickEdit()</code> by calling <code>allowMethod(['post'])</code>, ensuring that all four affected quick-edit operations require POST requests and are therefore subject to the application's normal protections for state-changing requests.</p><br>"
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}
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],
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"value": "MISP contains a cross-site request forgery (CSRF) vulnerability in the sharing group quick-edit functionality. The addOrg, removeOrg, addServer, and removeServer actions share the __initialiseSGQuickEdit() helper, where the HTTP method validation intended to restrict these operations to POST requests was commented out.\n\nAs a result, these state-changing actions could be invoked using GET requests. An attacker could craft a URL targeting one of the affected actions and cause an authenticated MISP user with sufficient privileges to request it, for example through a malicious link or embedded web resource.\n\nSuccessful exploitation could modify the membership of a MISP sharing group without the victim intentionally performing the operation. Depending on the action performed, an attacker could add or remove organisations or servers from a sharing group, potentially granting unintended access to information distributed through that sharing group or disrupting legitimate information sharing.\n\nThe patch restores HTTP method enforcement centrally in __initialiseSGQuickEdit() by calling allowMethod(['post']), ensuring that all four affected quick-edit operations require POST requests and are therefore subject to the application's normal protections for state-changing requests."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-62",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-62 Cross Site Request Forgery"
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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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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "NONE",
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"attackVector": "NETWORK",
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"baseScore": 8.6,
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"baseSeverity": "HIGH",
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"privilegesRequired": "HIGH",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "LOW",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:L/SC:N/SI:L/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "LOW",
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"vulnConfidentialityImpact": "HIGH",
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"vulnIntegrityImpact": "HIGH",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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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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"cweId": "CWE-352",
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"description": "CWE-352 Cross-Site Request Forgery (CSRF)",
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"lang": "en",
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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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"providerMetadata": {
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"orgId": "5a6e4751-2f3f-4070-9419-94fb35b644e8",
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"shortName": "CIRCL",
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"dateUpdated": "2026-09-10T07:53:21.692Z"
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},
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"references": [
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/MISP/MISP/commit/3060d93cb"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"title": "MISP Sharing Group Quick-Edit Actions Allow CSRF via State-Changing GET Requests",
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"x_gcve": [
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{
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"recordType": "advisory",
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"vulnId": "gcve-1-2026-20235"
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}
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],
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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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": "2026-09-04T19:35:24.607798Z",
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"id": "CVE-2026-85546",
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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": "2026-09-04T19:35:34.554Z"
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}
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}
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]
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}
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} |