CVE-2026-0958 (GCVE-0-2026-0958)
Vulnerability from cvelistv5
Published
2026-02-11 11:33
Modified
2026-02-11 15:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-436 - Interpretation Conflict
Summary
GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-0958",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-02-11T15:19:34.582283Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T15:19:41.414Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "GitLab",
"repo": "git://git@gitlab.com:gitlab-org/gitlab.git",
"vendor": "GitLab",
"versions": [
{
"lessThan": "18.6.6",
"status": "affected",
"version": "18.4",
"versionType": "semver"
},
{
"lessThan": "18.7.4",
"status": "affected",
"version": "18.7",
"versionType": "semver"
},
{
"lessThan": "18.8.4",
"status": "affected",
"version": "18.8",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Thanks [elbo7](https://hackerone.com/elbo7) for reporting this vulnerability through our HackerOne bug bounty program"
}
],
"descriptions": [
{
"lang": "en",
"value": "GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-436",
"description": "CWE-436: Interpretation Conflict",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-02-11T11:33:46.426Z",
"orgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"shortName": "GitLab"
},
"references": [
{
"name": "GitLab Issue #586202",
"tags": [
"issue-tracking",
"permissions-required"
],
"url": "https://gitlab.com/gitlab-org/gitlab/-/issues/586202"
},
{
"name": "HackerOne Bug Bounty Report #3463363",
"tags": [
"technical-description",
"exploit",
"permissions-required"
],
"url": "https://hackerone.com/reports/3463363"
},
{
"url": "https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to versions 18.6.6, 18.7.4, 18.8.4 or above."
}
],
"title": "Interpretation Conflict in GitLab"
}
},
"cveMetadata": {
"assignerOrgId": "ceab7361-8a18-47b1-92ba-4d7d25f6715a",
"assignerShortName": "GitLab",
"cveId": "CVE-2026-0958",
"datePublished": "2026-02-11T11:33:46.426Z",
"dateReserved": "2026-01-14T19:33:49.737Z",
"dateUpdated": "2026-02-11T15:19:41.414Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-0958\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-02-11T15:19:34.582283Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-02-11T15:19:38.718Z\"}}], \"cna\": {\"title\": \"Interpretation Conflict in GitLab\", \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Thanks [elbo7](https://hackerone.com/elbo7) for reporting this vulnerability through our HackerOne bug bounty program\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"cpes\": [\"cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*\"], \"repo\": \"git://git@gitlab.com:gitlab-org/gitlab.git\", \"vendor\": \"GitLab\", \"product\": \"GitLab\", \"versions\": [{\"status\": \"affected\", \"version\": \"18.4\", \"lessThan\": \"18.6.6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.7\", \"lessThan\": \"18.7.4\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"18.8\", \"lessThan\": \"18.8.4\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Upgrade to versions 18.6.6, 18.7.4, 18.8.4 or above.\"}], \"references\": [{\"url\": \"https://gitlab.com/gitlab-org/gitlab/-/issues/586202\", \"name\": \"GitLab Issue #586202\", \"tags\": [\"issue-tracking\", \"permissions-required\"]}, {\"url\": \"https://hackerone.com/reports/3463363\", \"name\": \"HackerOne Bug Bounty Report #3463363\", \"tags\": [\"technical-description\", \"exploit\", \"permissions-required\"]}, {\"url\": \"https://about.gitlab.com/releases/2026/02/10/patch-release-gitlab-18-8-4-released/\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-436\", \"description\": \"CWE-436: Interpretation Conflict\"}]}], \"providerMetadata\": {\"orgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"shortName\": \"GitLab\", \"dateUpdated\": \"2026-02-11T11:33:46.426Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-0958\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-02-11T15:19:41.414Z\", \"dateReserved\": \"2026-01-14T19:33:49.737Z\", \"assignerOrgId\": \"ceab7361-8a18-47b1-92ba-4d7d25f6715a\", \"datePublished\": \"2026-02-11T11:33:46.426Z\", \"assignerShortName\": \"GitLab\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…