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CVE-2026-33130

Uptime Kuma is an open source, self-hosted monitoring tool. In versions 1.23.0 through 2.2.0, the fix from GHSA-vffh-c9pq-4crh doesn't fully work to preventServer-side Template Injection (SSTI). The three mitigations added to the Liquid engine (root, relativeReference, dynamicPartials) only block quoted paths. If a project uses an unquoted absolute path, attackers can still read any file on the server. The original fix in notification-provider.js only constrains the first two steps of LiquidJS's
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a1634d14d25500804523893d5170fe52f2adc0c879f10f66f70e39f209f0b19b
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-98","description":"CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-1336","description":"CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"uptime-kuma","vendor":"louislam","versions":[{"status":"affected","version":">= 1.23.0, < 2.2.1"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-98","description":"CWE-98: Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-1336","description":"CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/advisories/GHSA-vffh-c9pq-4crh","tags":["x_refsource_MISC"],"url":"https://github.com/advisories/GHSA-vffh-c9pq-4crh"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/references/1
{"name":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.1","tags":["x_refsource_MISC"],"url":"https://github.com/louislam/uptime-kuma/releases/tag/2.2.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/references/2
{"name":"https://github.com/louislam/uptime-kuma/security/advisories/GHSA-v832-4r73-wx5j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/louislam/uptime-kuma/security/advisories/GHSA-v832-4r73-wx5j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5d7064e7e47172d6d3829167b9e34d6e1759160fcace145526fa51ac623938fb · sha256:32dbf885d20f0ebc… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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