CVE Explorer

CVE-2026-2812

ArcGIS Server contains an improper authentication vulnerability in an undocumented administrative endpoint. An unauthenticated attacker could exploit this issue by sending a crafted request to the endpoint. Successful exploitation may result in disruption of the web-based browsing interface. This issue affects ArcGIS Server 12.0 and earlier.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:648124c92e70a98f0315257c60cd1a8398ae9bd7014d1c707707228ae66c5580

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","platforms":["Windows","Linux"],"product":"ArcGIS Server","vendor":"Esri","versions":[{"lessThanOrEqual":"12.0","status":"affected","version":"11.1","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:edfef50a48f31e2989bea0e062f4cc0f4ea5dd8da782dad18ae476af68a76381 · sha256:563c16a90f21e4db… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:edfef50a48f31e2989bea0e062f4cc0f4ea5dd8da782dad18ae476af68a76381 · sha256:563c16a90f21e4db… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:edfef50a48f31e2989bea0e062f4cc0f4ea5dd8da782dad18ae476af68a76381 · sha256:563c16a90f21e4db… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:edfef50a48f31e2989bea0e062f4cc0f4ea5dd8da782dad18ae476af68a76381 · sha256:563c16a90f21e4db… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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