How severe is CVE-2025-59426?

CVE-2025-59426 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2025-59426 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59426?

CVE-2025-59426 affects Lobehub Lobe Chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59426?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59426 have an EU (EUVD) identifier?

Yes. CVE-2025-59426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31072.

When was CVE-2025-59426 published?

CVE-2025-59426 was published on 2025-09-25 and last updated on 2026-06-17.

CVE-2025-59426

CVE-2025-59426 is a medium-severity vulnerability in Lobehub Lobe Chat with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-31072
Weakness: CWE-601
Affected product: Lobehub Lobe Chat
Published: 2025-09-25
Last modified: 2026-06-17

Description

Lobe Chat is an open-source artificial intelligence chat framework. Prior to version 1.130.1, the project's OIDC redirect handling logic constructs the host and protocol of the final redirect URL based on the X-Forwarded-Host or Host headers and the X-Forwarded-Proto value. In deployments where a reverse proxy forwards client-supplied X-Forwarded-* headers to the origin as-is, or where the origin trusts them without validation, an attacker can inject an arbitrary host and trigger an open redirect that sends users to a malicious domain. This issue has been patched in version 1.130.1.

Frequently asked questions

What is CVE-2025-59426?: Lobe Chat is an open-source artificial intelligence chat framework. Prior to version 1.130.1, the project's OIDC redirect handling logic constructs the host and protocol of the final redirect URL based on the X-Forwarded-Host or Host headers and the X-Forwarded-Proto value. In deployments where a reverse proxy forwards client-supplied X-Forwarded-* headers to the origin as-is, or where the origin trusts them without validation, an attacker can inject an arbitrary host and trigger an open redirect that sends users to a malicious domain. This issue has been patched in version 1.130.1.
How severe is CVE-2025-59426?: CVE-2025-59426 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2025-59426 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59426?: CVE-2025-59426 affects Lobehub Lobe Chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59426?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59426 have an EU (EUVD) identifier?: Yes. CVE-2025-59426 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-31072.
When was CVE-2025-59426 published?: CVE-2025-59426 was published on 2025-09-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lobehub:lobe_chat:*:*:*:*:*:*:*:*

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