CVE Explorer

CVE-2026-33143

OneUptime is a solution for monitoring and managing online services. Prior to version 10.0.34, the WhatsApp POST webhook handler (/notification/whatsapp/webhook) processes incoming status update events without verifying the Meta/WhatsApp X-Hub-Signature-256 HMAC signature, allowing any unauthenticated attacker to send forged webhook payloads that manipulate notification delivery status records, suppress alerts, and corrupt audit trails. The codebase already implements proper signature verificati

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a27d60729ecc75e38e4f6c39d8c354954d4d0ee5ebfe2c3fc6e758e8b9e78aed

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"oneuptime","vendor":"OneUptime","versions":[{"status":"affected","version":"< 10.0.34"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:d11407f344de451adf909c892caaa580c5ed310c369dfbd98eff1069cf4cf246 · sha256:20d04812010d6ee2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:d11407f344de451adf909c892caaa580c5ed310c369dfbd98eff1069cf4cf246 · sha256:20d04812010d6ee2… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:d11407f344de451adf909c892caaa580c5ed310c369dfbd98eff1069cf4cf246 · sha256:20d04812010d6ee2… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/OneUptime/oneuptime/security/advisories/GHSA-g5ph-f57v-mwjc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OneUptime/oneuptime/security/advisories/GHSA-g5ph-f57v-mwjc"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:d11407f344de451adf909c892caaa580c5ed310c369dfbd98eff1069cf4cf246 · sha256:20d04812010d6ee2… · /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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