CVE-2026-33710

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Source
https://cve.org/CVERecord?id=CVE-2026-33710
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33710.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-33710
Aliases
  • GHSA-rpmg-j327-mr39
Published
2026-04-10T18:59:24Z
Modified
2026-10-28T02:30:45Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Chamilo LMS has Weak REST API Key Generation (Predictable)
Details

Chamilo LMS is a learning management system. Prior to 1.11.38 and 2.0.0-RC.3, REST API keys are generated using md5(time() + (user_id * 5) - rand(10000, 10000)). The rand(10000, 10000) call always returns exactly 10000 (min == max), making the formula effectively md5(timestamp + user_id*5 - 10000). An attacker who knows a username and approximate key creation time can brute-force the API key. This vulnerability is fixed in 1.11.38 and 2.0.0-RC.3.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-330"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33710.json"
}
References

Affected packages

Git / github.com/chamilo/chamilo-lms

Affected ranges

Type
GIT
Repo
https://github.com/chamilo/chamilo-lms
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
abb5547a46a96339dfe6079e9b7ecd329bca181a
Fixed
4448701bb8ec557e94ef02d19c72cbe9c49c2d09
Fixed
e7400dd840586ae134b286d0a2374f3d269a9a9d
Database specific
Show details 
{
    "extracted_events":  [
        {
            "cpe":  "cpe:2.3:a:chamilo:chamilo_lms:*:*:*:*:*:*:*:*",
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "fixed":  "1.11.38"
                }
            ],
            "source":  "CPE_RANGE"
        },
        {
            "range":  [
                {
                    "fixed":  "4448701bb8ec557e94ef02d19c72cbe9c49c2d09"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "range":  [
                {
                    "fixed":  "e7400dd840586ae134b286d0a2374f3d269a9a9d"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        }
    ]
}

Affected versions

Other
CHAMILO_1_8_7_ALPHA_1
CHAMILO_1_8_7_ALPHA_2
CHAMILO_1_8_7_RC2
CHAMILO_1_8_7_RC_1
CHAMILO_1_8_7_STABLE
CHAMILO_1_8_7_STABLE_BIS
CHAMILO_1_8_8_2_RC_1
CHAMILO_1_8_8_2_STABLE
CHAMILO_1_8_8_2_STABLE_2
CHAMILO_1_8_8_4_STABLE
CHAMILO_1_8_8_ALPHA
CHAMILO_1_8_8_BETA_1
CHAMILO_1_8_8_BETA_2
CHAMILO_1_9_0_ALPHA_1
CHAMILO_1_9_0_ALPHA_2
CHAMILO_1_9_0_ALPHA_4
CHAMILO_1_9_0_PRE_ALPHA
CHAMILO_1_9_0_RC_1
CHAMILO_1_9_0_STABLE_2
CHAMILO_1_9_0_STABLE_3
CHAMILO_1_9_2_STABLE
CHAMILO_1_9_2_STABLE_QUARTER
CHAMILO_1_9_4_ALPHA_1
CHAMILO_1_9_4_RC_1
CHAMILO_1_9_4_STABLE
CHAMILO_1_9_6_RC_1
CHAMILO_1_9_6_RC_2
CHAMILO_1_9_6_STABLE
CHAMILO_1_8_8.*
CHAMILO_1_8_8.3_STABLE_4
v1.*
v1.11.10
v1.11.12
v1.11.14
v1.11.14-beta.1
v1.11.18
v1.11.20
v1.11.20-beta.1
v1.11.22
v1.11.22-beta.1
v1.11.22-beta.2
v1.11.24
v1.11.26
v1.11.26-rc.1
v1.11.28
v1.11.30
v1.11.30-rc.1
v1.11.32
v1.11.36
v1.11.6
v1.11.6-alpha.1
v1.8.6.1
v1.9.8
v2.*
v2.0.0-RC.1
v2.0.0-RC.2
v2.0.0-alpha.1
v2.0.0-alpha.2
v2.0.0-alpha.3
v2.0.0-alpha.4
v2.0.0-alpha.5
v2.0.0-beta.1
v2.0.0-beta.3

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33710.json"