How severe is CVE-2026-0612?

CVE-2026-0612 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-0612 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-0612?

CVE-2026-0612 affects Thelibrarian The Librarian. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-0612?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-0612 have an EU (EUVD) identifier?

Yes. CVE-2026-0612 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2946.

When was CVE-2026-0612 published?

CVE-2026-0612 was published on 2026-01-16 and last updated on 2026-06-17.

CVE-2026-0612

CVE-2026-0612 is a high-severity vulnerability in Thelibrarian The Librarian with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-2946
Affected product: Thelibrarian The Librarian
Published: 2026-01-16
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-0612?: CVE-2026-0612 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-0612 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-0612?: CVE-2026-0612 affects Thelibrarian The Librarian. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-0612?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-0612 have an EU (EUVD) identifier?: Yes. CVE-2026-0612 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-2946.
When was CVE-2026-0612 published?: CVE-2026-0612 was published on 2026-01-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thelibrarian:the_librarian:-:*:*:*:*:*:*:*

More vulnerabilities in Thelibrarian The Librarian

CVE-2026-0616 — High (CVSS 7.5): TheLibrarians web_fetch tool can be used to retrieve the Adminer interface content, which can then be used to log into…
CVE-2026-0613 — High (CVSS 7.5): The Librarian contains an internal port scanning vulnerability, facilitated by the `web_fetch` tool, which can be used…
CVE-2026-0615 — High (CVSS 7.3): The Librarian `supervisord` status page can be retrieved by the `web_fetch` tool, which can be used to retrieve running…

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