CVE Explorer

CVE-2026-26047

A denial-of-service vulnerability was identified in Moodle’s TeX formula editor. When rendering TeX content using mimetex, insufficient execution time limits could allow specially crafted formulas to consume excessive server resources. An authenticated user could abuse this behavior to degrade performance or cause service interruption.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:402b4875b6d4d12e76666b27742f61f98629da943004c67309343ef2b01d1757

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"collectionURL":"https://github.com/moodle/moodle","defaultStatus":"unaffected","packageName":"moodle","versions":[{"lessThan":"4.5.9","status":"affected","version":"0","versionType":"semver"},{"lessThan":"5.0.5","status":"affected","version":"5.0.0","versionType":"semver"},{"lessThan":"5.1.2","status":"affected","version":"5.1.0","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8984a4ec61759d33b19e8bb2465a60f0295baf1259cfdcf3e4852c8f4ab8aacb · sha256:6aa78bf8ca09dce8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:8984a4ec61759d33b19e8bb2465a60f0295baf1259cfdcf3e4852c8f4ab8aacb · sha256:6aa78bf8ca09dce8… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-400","description":"Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8984a4ec61759d33b19e8bb2465a60f0295baf1259cfdcf3e4852c8f4ab8aacb · sha256:6aa78bf8ca09dce8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-26047"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8984a4ec61759d33b19e8bb2465a60f0295baf1259cfdcf3e4852c8f4ab8aacb · sha256:6aa78bf8ca09dce8… · /containers/cna/references/0

{"name":"RHBZ#2440905","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2440905"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8984a4ec61759d33b19e8bb2465a60f0295baf1259cfdcf3e4852c8f4ab8aacb · sha256:6aa78bf8ca09dce8… · /containers/cna/references/1

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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