CVE-2020-26417
Status: ModifiedMedium (5.3)—
Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Base score: 5.3
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.31%
- Percentile among all scored CVEs: 70
- Score date: 10/8/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-200
References
Raw JSON (NVD)
Show
{
"id": "CVE-2020-26417",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
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"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
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"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@gitlab.com",
"affectedData": [
{
"vendor": "GitLab",
"product": "GitLab CE/EE",
"versions": [
{
"status": "affected",
"version": ">=13.6 to <13.6.2"
},
{
"status": "affected",
"version": ">=13.5 to <13.5.5"
},
{
"status": "affected",
"version": ">=13.1 to <13.4.7"
}
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}
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}
],
"published": "2020-12-11T04:15:11.767",
"references": [
{
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26417.json",
"tags": [
"Vendor Advisory"
],
"source": "cve@gitlab.com"
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/282539",
"tags": [
"Broken Link"
],
"source": "cve@gitlab.com"
},
{
"url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-26417.json",
"tags": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/282539",
"tags": [
"Broken Link"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-200"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Information disclosure via GraphQL in GitLab CE/EE 13.1 and later exposes private group and project membership. This affects versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7."
},
{
"lang": "es",
"value": "Una divulgación de información por medio de GraphQL en GitLab CE/EE versiones 13.1 y posteriores, expone la membresía a grupos privados y proyectos. Esto afecta a las versiones posteriores a 13.6 incluyéndola hasta versiones anteriores a 13.6.2, versiones anteriores a 13.5 incluyéndola hasta versiones anteriores a 13.5.5 y versiones posteriores a 13.1 incluyéndola hasta versiones anteriores a 13.4.7"
}
],
"lastModified": "2026-06-17T03:08:05.897",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
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"vulnerable": true,
"matchCriteriaId": "2C4CD49E-C8FF-4830-B28D-E2FADE748F81",
"versionEndExcluding": "13.4.7",
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{
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"operator": "OR"
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],
"sourceIdentifier": "cve@gitlab.com"
}