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CVE Record

CVE-2026-0612: CVE-2026-0612

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.

HighCVSS 7.5Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2026-0612 is an information leakage issue in The Librarian’s web_fetch tool. An attacker could cause The Librarian infrastructure to retrieve arbitrary external content, effectively proxying requests through it. The vendor reports the vulnerability is fixed in all versions, but public details on affected versions are limited. Exposure applies to organizations using TheLibrarian.io or The Librarian features involving web_fetch before the vendor fix. The source bundle does not clarify exact vulnerable builds, tenant types, or deployment models beyond sparse affected-version metadata. Treat this as a high-priority vendor assurance item. The vendor says it is fixed, so urgency centers on confirming your environment received the fix and checking for suspicious historical activity if The Librarian handled sensitive information. Mitigation focus: Confirm with TheLibrarian that your tenant or deployment includes the vendor fix.; Review TheLibrarian guidance and advisories for any customer-required actions.; Inventory business workflows using The Librarian and web_fetch capabilities..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-497: Exact CWE lookup

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cve · low confidence lookup

CVE-2026-0612 mapping review

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
7.5CVSS 3.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N3.93.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

7.5High
CVSS 3.1 vector shape for CVE-2026-0612Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
TheLibrarianTheLibrarian.io0Listed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-497 · source CWE mapping

Exposure of Sensitive System Information to an Unauthorized Control Sphere

Exposure of Sensitive System Information to an Unauthorized Control Sphere represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.