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CVE-2026-33707

Chamilo Lms vulnerability

9.4 CRITICALEPSS 0.75%
  1. Published10 Apr 2026

Description

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, the default password reset mechanism generates tokens using sha1($email) with no random component, no expiration, and no rate limiting. An attacker who knows a user's email can compute the reset token and change the victim's password without authentication. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

Affected products

Chamilo Lms< 1.11.38 · 2.0.0

Remediation

Fixed in
Chamilo Lms≥ 1.11.38

References

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Frequently asked

Is CVE-2026-33707 being actively exploited?

CVE-2026-33707 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.75%.

How severe is CVE-2026-33707?

CVE-2026-33707 has a CVSS 3.1 base score of 9.4, rated critical. EPSS estimates a 0.75% probability of exploitation.

Which products are affected by CVE-2026-33707?

Affected products include Chamilo Lms.

How do I fix CVE-2026-33707?

Upgrade affected software to a fixed version, for example Chamilo Lms 1.11.38 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-33707 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.