RCE in Allenai Allennlp
CVE-2026-116275
A vulnerability was found in AllenAI AllenNLP up to 2.10.1. This impacts the function Registrable.resolve_class_name of the file allennlp/common/registrable.py of the component Registrable Configuration Machinery. Performing a manipulation of the argument Type results in code injection. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Allenai Allennlp — versions 2.10.0, 2.10.1
Weakness classification (CWE)
References
- vuldb.com/vuln/426304 (technical-description, vdb-entry)
- vuldb.com/vuln/426304/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-116275 (third-party-advisory)
- vuldb.com/submit/1011308 (third-party-advisory)
- github.com/3em0/cve_repo/blob/main/2026/AllenNLP_2.10.1_Unsafe_Reflective_Insta… (exploit)
Frequently asked questions
- What is CVE-2026-116275?
- CVE-2026-116275 is a medium-severity vulnerability in Allenai Allennlp, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-10-26.
- How severe is CVE-2026-116275?
- Medium severity. CVSS v3 base score is 6.3 out of 10.