Exploit discussion active in current signal (2 latest mentions)
Recommended action window: High priority (within 72h)
NVD description
NLTK versions <=3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external Java .jar files without verification or sandboxing. An attacker can supply or replace the JAR file, enabling the execution of arbitrary Java bytecode at import time. This vulnerability can be exploited through methods such as model poisoning, MITM attacks, or dependency poisoning, leading to remote code execution. The issue arises from the direct execution of the JAR file via subprocess with unvalidated classpath input, allowing malicious classes to execute when loaded by the JVM.
Priority
MEDIUM
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
STABLE
If you run products in this scope, you should treat this CVE as relevant to your environment.
| Date | Total | Labels |
|---|
| 2026-03-05 | 2 | Disclosure2 |
| 2026-03-07 | 3 | Disclosure3 |
| 2026-03-30 | 2 | General2 |
| 2026-03-31 | 2 | Disclosure1General1 |
| 2026-04-02 | 1 | General1 |
| 2026-04-04 | 1 | Disclosure1 |
| 2026-07-04 | 1 | Patch1 |
| 2026-08-31 | 2 | Exploit1PoC1 |
[Blog] Cómo un fallo en una librería de Python puede comprometer sistemas de IA (CVE-2026-0848) https://blog.elhacker.net/2026/04/como-un-fallo-en-una-libreria-de-python.html
Post summary
The blog post references CVE-2026-0848 as a flaw in a Python library that could affect AI systems, but it does not provide PoC details, exploit code, or remediation guidance.
🚨 CVE-2026-0848 (CVSS: 10.0) NLTK <=3.9.2 の StanfordSegmenter モジュールで、外部JARの無検証読み込みが可能。攻撃者はJARを置き換えて任意コード実行を可能にし、モデル汚染・MITMなどでリモートコード実行が可能。 https://maruomosquit.com/vulnerability/CVE-2026-0848/ #脆弱性 #セキュリティ
Post summary
The post highlights the technical details and severity of CVE-2026-0848, indicating a high‑severity RCE via JAR replacement, but no active exploitation or exploit code is provided.
[CVE] CVE-2026-0848 [CRITICAL/PoC] #Arbitrary Code Execution in NLTK StanfordSegmenter via Untrusted JAR Loading ⚠️ Recorded Exploit Available 🔗 https://exploitgrid.net/cve/CVE-2026-0848
Post summary
The post announces CVE‑2026‑0848 as a critical vulnerability enabling arbitrary code execution in NLTK’s StanfordSegmenter via untrusted JAR loading, and notes that a recorded exploit and PoC are available on ExploitGrid.
🛡️ #ExploitGrid Daily #Threat Digest Top Vulnerabilities (CVEs) of the day CVE-2025-71338 - EXPLOIT CVE-2025-71389 - EXPLOIT CVE-2026-0092 - EXPLOIT CVE-2026-0848 - EXPLOIT CVE-2026-12485 - EXPLOIT ..🧵👇
Post summary
The tweet lists several CVEs marked as ‘EXPLOIT’, indicating known exploitable vulnerabilities, but provides no PoC, tool, or detailed technical information.
Cómo un fallo en una librería de Python puede comprometer sistemas de IA (CVE-2026-0848) https://unaaldia.hispasec.com/2026/03/como-un-fallo-en-una-libreria-de-python-puede-comprometer-sistemas-de-ia-cve-2026-0848.html
Post summary
The article announces CVE-2026-0848 as a flaw in a Python library that could affect AI systems, but offers no further technical, exploit, or patch details.
🚨High - NLTK Untrusted JAR Code Execution in Stanford Interfaces (CVE-2026-12252) Five of NLTK's Stanford wrapper classes - StanfordPOSTagger, StanfordNERTagger, StanfordParser, StanfordDependencyParser, and StanfordNeuralDependencyParser - accept user-controllable JAR paths and execute them via java() / subprocess.Popen() with no integrity verification. Loading an attacker-supplied or tampered JAR through any of these classes yields arbitrary code execution. It's the same flaw as CVE-2026-0848 (fixed for StanfordSegmenter with SHA256 verification), but that fix was never applied to these five classes. 👉Affected: nltk <= 3.9.3 - avoid loading untrusted JAR paths via the Stanford interfaces; apply the patched release once available.
Post summary
The tweet highlights an untrusted JAR code‑execution vulnerability in NLTK’s Stanford wrapper classes (CVE‑2026‑12252), specifies affected versions, and recommends avoiding untrusted JAR paths and applying the pending patch.
Cómo un fallo en una librería de Python puede comprometer sistemas de IA (CVE-2026-0848) https://unaaldia.hispasec.com/2026/03/como-un-fallo-en-una-libreria-de-python-puede-comprometer-sistemas-de-ia-cve-2026-0848.html #vulnerabilidad #ciberseguridad
Post summary
The article announces CVE-2026-0848—a Python library vulnerability that could compromise AI systems—but does not provide additional technical details, exploit code, or patch information.
Cómo un fallo en una librería de Python puede comprometer sistemas de IA (CVE-2026-0848) https://unaaldia.hispasec.com/2026/03/como-un-fallo-en-una-libreria-de-python-puede-comprometer-sistemas-de-ia-cve-2026-0848.html
Post summary
The article introduces CVE‑2026‑0848, describing a flaw in a Python library that could compromise AI systems, but offers no further technical details or remediation guidance.
🚨 ALERTA RÁPIDA 🔐 CVE-2026-0848 — Python (entornos de IA) #Vulnerability #Python #IA #Cybersecurity #AllCy https://www.linkedin.com/posts/allcy_alerta-r%C3%A1pida-cve-2026-0848-python-activity-7444453388072837120-M0TQ
Post summary
A concise alert post that names CVE-2026-0848 in Python AI environments but offers no further technical or remedial detail.
Cómo un fallo en una librería de Python puede comprometer sistemas de IA (CVE-2026-0848) https://unaaldia.hispasec.com/2026/03/como-un-fallo-en-una-libreria-de-python-puede-comprometer-sistemas-de-ia-cve-2026-0848.html
Post summary
The text only references a CVE in an article title; insufficient information is available to assess technical specifics, exploit availability, patch status, or active exploitation.
CVE-2026-0848 NLTK versions <=3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external… https://www.cve.org/CVERecord?id=CVE-2026-0848
Post summary
NLTK versions <=3.9.2 are vulnerable to arbitrary code execution caused by improper input validation in the StanfordSegmenter module, with no proof‑of‑concept, exploit code, patch, or active exploitation information provided.
🔴 CVE-2026-0848 - Critical NLTK versions &lt;=3.9.2 are vulnerable to arbitrary code execution due to improper input validation in the StanfordSegmenter module. The module dynamically loads external Java .jar files ... https://www.thehackerwire.com/vulnerability/CVE-2026-0848/ https://t.co/ObbmFkmo2f
Post summary
The post discloses that NLTK versions ≤3.9.2 are vulnerable to arbitrary code execution via the StanfordSegmenter module’s improper input validation, introducing CVE‑2026‑0848.
CVE-2026-0848 Arbitrary Code Execution in NLTK StanfordSegmenter via Unvalidated JAR File Loading https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-0848
Post summary
CVE-2026-0848 exposes arbitrary code execution in NLTK's StanfordSegmenter through unvalidated JAR file loading; details are available via the provided vulnerability link.
[CVE-2026-0848: CRITICAL] Vulnerability in NLTK versions <=3.9.2 allows arbitrary code execution by improper input validation in StanfordSegmenter module. Attackers can exploit this flaw for remote code execut...#cve,CVE-2026-0848,#cybersecurity https://cvefind.com/CVE-2026-0848
Post summary
The post announces a critical CVE affecting NLTK, detailing the remote code execution flaw, but does not provide PoC code, patch information, or evidence of active exploitation.
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| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | nltk | nltk | - | - | - |