CVE Explorer

CVE-2026-52761

ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. From 3.0.0 through 3.0.15, the t:utf8toUnicode transformation in src/actions/transformations/utf8_to_unicode.cc produces wrong output on i386 architecture because snprintf uses sizeof on a char pointer rather than the length of the unicode buffer, allowing rules that use this transformation to be bypassed on i386 architecture. This issue is fixed in version 3.0.16.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:caa57d6f98a631c95203dc4ecc45c603ebe81757909df00c8ca4e8fb5bbdbd10

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"ModSecurity","vendor":"owasp-modsecurity","versions":[{"status":"affected","version":">= 3.0.0, < 3.0.16"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-467","description":"CWE-467: Use of sizeof() on a Pointer Type","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/owasp-modsecurity/ModSecurity/commit/edcd010814e234d46e2ec55a0f1078ff9d3032e4","tags":["x_refsource_MISC"],"url":"https://github.com/owasp-modsecurity/ModSecurity/commit/edcd010814e234d46e2ec55a0f1078ff9d3032e4"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /containers/cna/references/1

{"name":"https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.16","tags":["x_refsource_MISC"],"url":"https://github.com/owasp-modsecurity/ModSecurity/releases/tag/v3.0.16"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /containers/cna/references/2

{"name":"https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-qjgm-7gp4-f8qq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/owasp-modsecurity/ModSecurity/security/advisories/GHSA-qjgm-7gp4-f8qq"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:4089e8930e968375b76431b60079314417e43c2ed2abcedf1023e3a96a25f570 · sha256:c2037d17c461875a… · /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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