CVE-2026-0612

HIGH

The Librarian contains a information leakage vulnerability through the `web_fetch` tool, which can be used to retrieve arbitrary external content provided by an attacker, which can be used to proxy...

Affects 1 product across 1 vendor.

CVSS 3.17.5
EPSS0.4%
Percentile29th
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, no integrity impact, no availability impact.
◆ AI Analysis — automated analysis, not human-reviewed

The Librarian contains an information leakage vulnerability through the `web_fetch` tool, allowing attackers to retrieve arbitrary external content, potentially proxying requests through The Librarian infrastructure.

BSID: BS-2026-GLOBAL-277078-H • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2026-0612?
The Librarian contains an information leakage vulnerability through the `web_fetch` tool, allowing attackers to retrieve arbitrary external content, potentially proxying requests through The Librarian infrastructure.
What is the CVSS score for CVE-2026-0612?
CVE-2026-0612 has CVSS 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. EPSS: 0.4%.
Is CVE-2026-0612 actively exploited?
No confirmed active exploitation of CVE-2026-0612 as of 2026-05-30.
How do I remediate CVE-2026-0612?
Priority: HIGH.
What systems are affected by CVE-2026-0612?
CVE-2026-0612 affects Thelibrarian The Librarian.
Vulnerability Details
CVE IDCVE-2026-0612
BSIDBS-2026-GLOBAL-277078-H BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published2026-01-16
Last Modified2026-01-23
ICS Relevance0%
SourceNVD
Official Description

The Librarian contains a information leakage vulnerability through the `web_fetch` tool, which can be used to retrieve arbitrary external content provided by an attacker, which can be used to proxy requests through The Librarian infrastructure. The vendor has fixed the vulnerability in all versions of TheLibrarian.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit the `web_fetch` tool in The Librarian to request and retrieve arbitrary external content. This can be used to proxy requests through The Librarian's infrastructure, potentially leading to information leakage or unauthorized data access.

Exploitation Likelihood: MEDIUM

Affected Products
VendorProductAffected Versions
Thelibrarian The Librarian No version listed by source
Remediation

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

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 272 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 Hash6115634365a22e0b659b2c8870b32b68deb5ee4d61fc6f2d1169df434137af665a6107750d43b385f37d1248dbe122e4bf9802f7d7a516025e21ae5b14920de8
Related CVEs affecting Thelibrarian
CVE-2026-0613 7.5 The Librarian contains an internal port scanning vulnerability, facilitated b... CVE-2026-0616 7.5 TheLibrarians web_fetch tool can be used to retrieve the Adminer interface co... CVE-2026-0615 7.3 The Librarian `supervisord` status page can be retrieved by the `web_fetch` t...
View all Thelibrarian CVEs →

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