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CVE-2026-40481

monetr is a budgeting application for recurring expenses. In versions 1.12.3 and below, the public Stripe webhook endpoint buffers the entire request body into memory before validating the Stripe signature. A remote unauthenticated attacker can send oversized POST payloads to cause uncontrolled memory growth, leading to denial of service. The issue affects deployments with Stripe webhooks enabled and is mitigated if an upstream proxy enforces a request body size limit. This issue has been fixed
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:749630d2ecdcce4f25c8b5c996887a70b8f7fcc92d0841f56a2b22ac82a64281
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"monetr","vendor":"monetr","versions":[{"status":"affected","version":"< 1.12.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:575e17af7f608eb0e03ce6cdf31e48840ce8d3846af8f26f3d249ed2804ec787 · sha256:0da6d3bc90ed2eb3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.2,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:575e17af7f608eb0e03ce6cdf31e48840ce8d3846af8f26f3d249ed2804ec787 · sha256:0da6d3bc90ed2eb3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:575e17af7f608eb0e03ce6cdf31e48840ce8d3846af8f26f3d249ed2804ec787 · sha256:0da6d3bc90ed2eb3… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/monetr/monetr/releases/tag/v1.12.4","tags":["x_refsource_MISC"],"url":"https://github.com/monetr/monetr/releases/tag/v1.12.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:575e17af7f608eb0e03ce6cdf31e48840ce8d3846af8f26f3d249ed2804ec787 · sha256:0da6d3bc90ed2eb3… · /containers/cna/references/1
{"name":"https://github.com/monetr/monetr/security/advisories/GHSA-v7xq-3wx6-fqc2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/monetr/monetr/security/advisories/GHSA-v7xq-3wx6-fqc2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:575e17af7f608eb0e03ce6cdf31e48840ce8d3846af8f26f3d249ed2804ec787 · sha256:0da6d3bc90ed2eb3… · /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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