EUVD-2026-67773
GHSA-q8q7-334r-fh84
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Sanitizer processes network-supplied input with no auth barrier; only availability is impacted, no confidentiality or integrity effect.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An issue in the JsonSanitizer.sanitize() component of OWASP json-sanitizer v1.2.3 allows attackers to cause a Denial of Service (DoS) via a crafted input.
AnalysisAI
Resource exhaustion in OWASP json-sanitizer v1.2.3 allows unauthenticated remote attackers to trigger a Denial of Service by supplying a crafted payload to the JsonSanitizer.sanitize() method. Any Java application that passes untrusted or externally supplied input through this library is affected, making the attack surface proportional to the library's adoption in internet-facing services. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No special configuration is required beyond the vulnerable library being present and its sanitize() method being invoked on attacker-controlled input. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 HIGH rating reflects a fully network-exploitable, unauthenticated, low-complexity vulnerability with high availability impact and no confidentiality or integrity exposure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Check the OWASP json-sanitizer GitHub repository at https://github.com/OWASP/json-sanitizer and the issue tracker at https://github.com/OWASP/json-sanitizer/issues/35 for a patched release; no specific fixed version is confirmed in the available intelligence data. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Java applications using OWASP json-sanitizer v1.2.3 in production, prioritizing internet-facing and customer-facing services. …
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External POC / Exploit Code
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