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CVE-2026-27880

A flaw was found in Grafana. A remote attacker can exploit the feature toggle evaluation endpoint by sending unbounded values, causing the system to read excessive data into memory. This can lead to out-of-memory crashes, resulting in a Denial of Service (DoS) for the affected service.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6625b9e1c68c1738e47d3d0304d3b46733bedda0ea48cb99e270ea925ad9a0b7
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
3

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"grafana","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"grafana","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/2

{"defaultStatus":"unaffected","product":"Grafana","vendor":"Grafana","versions":[{"lessThan":"v12.1.10","status":"affected","version":"v12.1.0","versionType":"semver"},{"lessThan":"v12.2.8","status":"affected","version":"v12.2.0","versionType":"semver"},{"lessThan":"v12.3.6","status":"affected","version":"v12.3.0","versionType":"semver"},{"lessThan":"v12.4.2","status":"affected","version":"v12.4.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/1
cvss · 2 assertions

{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/0/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

4 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10"],"defaultStatus":"affected","packageName":"grafana","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"grafana","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/2
{"defaultStatus":"unaffected","product":"Grafana","vendor":"Grafana","versions":[{"lessThan":"v12.1.10","status":"affected","version":"v12.1.0","versionType":"semver"},{"lessThan":"v12.2.8","status":"affected","version":"v12.2.0","versionType":"semver"},{"lessThan":"v12.3.6","status":"affected","version":"v12.3.0","versionType":"semver"},{"lessThan":"v12.4.2","status":"affected","version":"v12.4.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"unaffected","packageName":"grafana","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/0/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-27880"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/references/0
{"name":"RHBZ#2452295","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452295"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/references/1
{"tags":["vendor-advisory"],"url":"https://grafana.com/security/security-advisories/cve-2026-27880"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/cna/references/0
{"tags":["broken-link"],"url":"https://grafana.com/security/security-advisories/cve-2026-27880"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/0/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27880.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e890025b007dff56df111745ec2fe305e7fd44225c3e4982c4ca7e03df3d6650 · sha256:735d4582ebe0afdb… · /containers/adp/1/references/2

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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