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CVE-2026-22665

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit non-deterministic username resolution to impersonate victim accounts, replace profile content on canonical URLs, and inject attacker-controlled metadata and content across the platform.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:661ffd5255467303d9f5989b0e4766f445e562de65258116e9fc4295e8412f08
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/metrics/1/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/f/prompts.chat","product":"prompts.chat","repo":"https://github.com/f/prompts.chat","vendor":"f","versions":[{"lessThan":"1464475df2698fb7ccd0cdbc382b0750466f891d","status":"affected","version":"0","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-178","description":"CWE-178 Improper Handling of Case Sensitivity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["patch"],"url":"https://github.com/f/prompts.chat/commit/1464475df2698fb7ccd0cdbc382b0750466f891d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/references/1
{"tags":["issue-tracking"],"url":"https://github.com/f/prompts.chat/pull/1098"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/prompts-chat-identity-confusion-via-case-sensitive-username-handling"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c294c9ad7322f805fde6d90c0cb6e994e17b544001dcb88c819c3ffb101f473d · sha256:b96ed401217a8893… · /containers/cna/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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