CVE-2026-44957 (GCVE-0-2026-44957)
Vulnerability from cvelistv5 – Published: 2026-06-23 16:14 – Updated: 2026-06-23 17:40
VLAI
Summary
A missing access control check when invoking various modify methods in the XML‑RPC API of Revive Adserver 6.0.6 and earlier. The API allowed entities to be reassigned to different parent entities, leading to inconsistent ownership relationships. This issue was exploitable only in combination with CVE‑2026‑34917 or with third‑party API extensions that expose API functionality to low‑privileged users. Access control checks have been added to validate access to parent entities in the API modify methods.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control - Generic
Assigner
References
1 reference
Credits
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-44957",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-06-23T17:40:32.867951Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-06-23T17:40:39.611Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Adserver",
"vendor": "Revive",
"versions": [
{
"lessThanOrEqual": "6.0.6",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "barcrange (3l4)"
}
],
"descriptions": [
{
"lang": "en",
"value": "A missing access control check when invoking various modify methods in the XML\u2011RPC API of Revive Adserver 6.0.6 and earlier. The API allowed entities to be reassigned to different parent entities, leading to inconsistent ownership relationships. This issue was exploitable only in combination with CVE\u20112026\u201134917 or with third\u2011party API extensions that expose API functionality to low\u2011privileged users. Access control checks have been added to validate access to parent entities in the API modify methods."
}
],
"metrics": [
{
"cvssV3_0": {
"baseScore": 4.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"version": "3.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284 Improper Access Control - Generic",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-23T16:14:38.100Z",
"orgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"shortName": "hackerone"
},
"references": [
{
"url": "https://hackerone.com/reports/3677576"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "36234546-b8fa-4601-9d6f-f4e334aa8ea1",
"assignerShortName": "hackerone",
"cveId": "CVE-2026-44957",
"datePublished": "2026-06-23T16:14:38.100Z",
"dateReserved": "2026-05-08T15:00:02.447Z",
"dateUpdated": "2026-06-23T17:40:39.611Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-44957",
"date": "2026-06-24",
"epss": "0.00223",
"percentile": "0.12686"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-44957\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-06-23T17:40:32.867951Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-06-23T17:40:36.229Z\"}}], \"cna\": {\"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"barcrange (3l4)\"}], \"metrics\": [{\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 4.3, \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N\"}}], \"affected\": [{\"vendor\": \"Revive\", \"product\": \"Adserver\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.0.6\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://hackerone.com/reports/3677576\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A missing access control check when invoking various modify methods in the XML\\u2011RPC API of Revive Adserver 6.0.6 and earlier. The API allowed entities to be reassigned to different parent entities, leading to inconsistent ownership relationships. This issue was exploitable only in combination with CVE\\u20112026\\u201134917 or with third\\u2011party API extensions that expose API functionality to low\\u2011privileged users. Access control checks have been added to validate access to parent entities in the API modify methods.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-284\", \"description\": \"CWE-284 Improper Access Control - Generic\"}]}], \"providerMetadata\": {\"orgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"shortName\": \"hackerone\", \"dateUpdated\": \"2026-06-23T16:14:38.100Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-44957\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-06-23T17:40:39.611Z\", \"dateReserved\": \"2026-05-08T15:00:02.447Z\", \"assignerOrgId\": \"36234546-b8fa-4601-9d6f-f4e334aa8ea1\", \"datePublished\": \"2026-06-23T16:14:38.100Z\", \"assignerShortName\": \"hackerone\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
Loading…
Loading…