CVE-2025-67911

CRITICAL

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.

Affects 0 products across 2 vendors.

CVSS 3.19.8
EPSS0.5%
Percentile38th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-502: Deserialization of Untrusted Data

Software deserializes untrusted data without validation, allowing crafted objects to execute arbitrary code.

Related Attack Patterns (CAPEC)
CAPEC-586 Object Injection
via CWE-502

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical vulnerability in Tribulant Software Newsletters newsletters-lite allows for deserialization of untrusted data, enabling object injection attacks.

BSID: BS-2026-GLOBAL-029536-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2025-67911?
A critical vulnerability in Tribulant Software Newsletters newsletters-lite allows for deserialization of untrusted data, enabling object injection attacks.
What is the CVSS score for CVE-2025-67911?
CVE-2025-67911 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 0.5%.
Is CVE-2025-67911 actively exploited?
No confirmed active exploitation of CVE-2025-67911 as of 2026-10-09.
How do I remediate CVE-2025-67911?
Priority: IMMEDIATE.
What systems are affected by CVE-2025-67911?
CVE-2025-67911 affects Lite; Tribulant.
Vulnerability Details
CVE IDCVE-2025-67911
BSIDBS-2026-GLOBAL-029536-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2026-01-08
Last Modified2026-10-07
ICS Relevance15%
Weakness (CWE)
Deserialization of Untrusted Data
SourceNVD
Official Description

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by sending specially crafted serialized data to the application, which can lead to remote code execution or unauthorized access.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Lite — —
Tribulant — —
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 281 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hashc7e7a6f33f7234d0c4a51fd9883c2ac7dd6139dd1281d7f30f0330fbb73fe50d7a4e35f2ed46154014c774f3070e0b0edd7639b8fc8717101acc35edf8a5ee22
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