How severe is CVE-2026-33340?

CVE-2026-33340 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-33340 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33340?

CVE-2026-33340 affects Lollms Lollms Web Ui. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33340?

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

Does CVE-2026-33340 have an EU (EUVD) identifier?

Yes. CVE-2026-33340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14928.

When was CVE-2026-33340 published?

CVE-2026-33340 was published on 2026-03-24 and last updated on 2026-06-17.

CVE-2026-33340

CVE-2026-33340 is a critical-severity vulnerability in Lollms Lollms Web Ui with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14928
Weakness: CWE-306
Affected product: Lollms Lollms Web Ui
Published: 2026-03-24
Last modified: 2026-06-17

Description

LoLLMs WEBUI provides the Web user interface for Lord of Large Language and Multi modal Systems. A critical Server-Side Request Forgery (SSRF) vulnerability has been identified in all known existing versions of `lollms-webui`. The `@router.post("/api/proxy")` endpoint allows unauthenticated attackers to force the server into making arbitrary GET requests. This can be exploited to access internal services, scan local networks, or exfiltrate sensitive cloud metadata (e.g., AWS/GCP IAM tokens). As of time of publication, no known patched versions are available.

Frequently asked questions

What is CVE-2026-33340?: LoLLMs WEBUI provides the Web user interface for Lord of Large Language and Multi modal Systems. A critical Server-Side Request Forgery (SSRF) vulnerability has been identified in all known existing versions of `lollms-webui`. The `@router.post("/api/proxy")` endpoint allows unauthenticated attackers to force the server into making arbitrary GET requests. This can be exploited to access internal services, scan local networks, or exfiltrate sensitive cloud metadata (e.g., AWS/GCP IAM tokens). As of time of publication, no known patched versions are available.
How severe is CVE-2026-33340?: CVE-2026-33340 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-33340 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33340?: CVE-2026-33340 affects Lollms Lollms Web Ui. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33340?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-33340 have an EU (EUVD) identifier?: Yes. CVE-2026-33340 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14928.
When was CVE-2026-33340 published?: CVE-2026-33340 was published on 2026-03-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lollms:lollms_web_ui:-:*:*:*:*:*:*:*

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