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CVE-2026-55736

Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in ash-project ash allows a user to set the value of a private action argument that is intended to be controlled only by trusted server-side code. Action arguments declared with public?: false are meant to be set internally (for example via Ash.Changeset.set_private_argument/3) and must not be settable from end-user input. When a changeset is built from a parameter map, Ash filters out private arguments
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d2edeacc048dd566c5c2cc76e92e1f96dfd782bda564ea650eed8f3cbb02a0bf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Changeset'"],"packageName":"ash","packageURL":"pkg:hex/ash","product":"ash","programFiles":["lib/ash/changeset/changeset.ex"],"programRoutines":[{"name":"'Elixir.Ash.Changeset':cast_params/4"},{"name":"'Elixir.Ash.Changeset':get_action_argument/2"},{"name":"'Elixir.Ash.Changeset':atomic_params/4"},{"name":"'Elixir.Ash.Changeset':has_argument?/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"3.29.3","stat…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/affected/0

{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Changeset'"],"packageName":"ash-project/ash","packageURL":"pkg:github/ash-project/ash","product":"ash","programFiles":["lib/ash/changeset/changeset.ex"],"programRoutines":[{"name":"'Elixir.Ash.Changeset':cast_params/4"},{"name":"'Elixir.Ash.Changeset':get_action_argument/2"},{"name":"'Elixir.Ash.Changeset':atomic_params/4"},{"name":"'Elixir.Ash.Changeset':has_argument?/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"collectionURL":"https://repo.hex.pm","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Changeset'"],"packageName":"ash","packageURL":"pkg:hex/ash","product":"ash","programFiles":["lib/ash/changeset/changeset.ex"],"programRoutines":[{"name":"'Elixir.Ash.Changeset':cast_params/4"},{"name":"'Elixir.Ash.Changeset':get_action_argument/2"},{"name":"'Elixir.Ash.Changeset':atomic_params/4"},{"name":"'Elixir.Ash.Changeset':has_argument?/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[{"lessThan":"3.29.3","stat…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/affected/0
{"collectionURL":"https://github.com","cpes":["cpe:2.3:a:ash-project:ash:*:*:*:*:*:*:*:*"],"defaultStatus":"unaffected","modules":["'Elixir.Ash.Changeset'"],"packageName":"ash-project/ash","packageURL":"pkg:github/ash-project/ash","product":"ash","programFiles":["lib/ash/changeset/changeset.ex"],"programRoutines":[{"name":"'Elixir.Ash.Changeset':cast_params/4"},{"name":"'Elixir.Ash.Changeset':get_action_argument/2"},{"name":"'Elixir.Ash.Changeset':atomic_params/4"},{"name":"'Elixir.Ash.Changeset':has_argument?/2"}],"repo":"https://github.com/ash-project/ash","vendor":"ash-project","versions":[…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"LOCAL","baseScore":5.9,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/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:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-915","description":"CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["related"],"url":"https://cna.erlef.org/cves/CVE-2026-55736.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/references/1
{"tags":["patch"],"url":"https://github.com/ash-project/ash/commit/d9b3100219b3ea86d73202bf7368c03a7688efea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/references/3
{"tags":["vendor-advisory","related"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-f4hc-ppw9-4hhw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/ash-project/ash/security/advisories/GHSA-f4hc-ppw9-4hhw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /containers/adp/0/references/0
{"tags":["related"],"url":"https://osv.dev/vulnerability/EEF-CVE-2026-55736"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdc6e753a2e95081ca126244def93003e422ee9338fe05b091df305c8d7def7b · sha256:62d3852e2338d372… · /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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