EUVD-2026-53191
GHSA-phfr-gw5r-65ff
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Inferred network vector for a search library accepting external input; no authentication or interaction required; full stack compromise implies high C/I/A.
Primary rating from Vendor (apache).
CVSS VectorVendor: apache
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
UNSUPPORTED WHEN ASSIGNED Stack-based Buffer Overflow vulnerability in Apache Lucy.
This issue affects Apache Lucy: all versions.
As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users.
NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
Articles & Coverage 1
AnalysisAI
Stack-based buffer overflow in Apache Lucy (all versions) enables potential arbitrary code execution through crafted input triggering memory corruption in the retired C-based search library. All versions are affected with no patch planned, as the Apache Software Foundation has officially retired the project. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The application must embed Apache Lucy (any version) for search or text indexing functionality and must pass externally-controlled input - such as search queries, indexed documents, or field values - to the vulnerable library code. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | No CVSS score or vector is provided for this CVE, requiring full inference from description and CWE context. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker submits a specially crafted search query or document payload to an application that internally uses Apache Lucy for indexing or search. The oversized or malformed input overflows a fixed stack buffer within the Lucy parsing or indexing routines, corrupting the return address and redirecting execution to attacker-controlled shellcode or a ROP chain. … |
| Remediation | No vendor-released patch identified at time of analysis, and none is planned - the Apache Software Foundation has explicitly stated the project is retired and will not issue a fix. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-121 – Stack-based Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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