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CVE-2026-48783

Postiz is an AI social media scheduling tool. Versions prior to 2.21.8 contained an unauthenticated endpoint that accepted a signed token and applied subscription-enforcement side effects to the organization referenced in that token's claims, without verifying the token's intended purpose. The endpoint, /public/modify-subscription, could not change the persisted subscription tier, but it did execute enforcement-related side effects on the caller's own organization, including adjusting team-membe
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:30be66bc46cb6bb4059fb2f37c8a0dcde2e76124dcc2e5f32adc7b8982614dba
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 4 assertions

{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/3/descriptions/0

{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-749","description":"CWE-749: Exposed Dangerous Method or Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/2/descriptions/0

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

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"postiz-app","vendor":"gitroomhq","versions":[{"status":"affected","version":"< 2.21.8"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":4.8,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

4 source assertions
{"cweId":"CWE-862","description":"CWE-862: Missing Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/3/descriptions/0
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-749","description":"CWE-749: Exposed Dangerous Method or Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-345","description":"CWE-345: Insufficient Verification of Data Authenticity","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"name":"https://gadvisory.org/advisories/PSA-2026-WWFR8X","tags":["x_refsource_MISC"],"url":"https://gadvisory.org/advisories/PSA-2026-WWFR8X"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/references/2
{"name":"https://github.com/gitroomhq/postiz-app/commit/23696d2973510ae1f3f48bfa41a6bfbbf9827b05","tags":["x_refsource_MISC"],"url":"https://github.com/gitroomhq/postiz-app/commit/23696d2973510ae1f3f48bfa41a6bfbbf9827b05"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/references/1
{"name":"https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.8","tags":["x_refsource_MISC"],"url":"https://github.com/gitroomhq/postiz-app/releases/tag/v2.21.8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /containers/cna/references/3
{"name":"https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v4wr-4j8g-4hfj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/gitroomhq/postiz-app/security/advisories/GHSA-v4wr-4j8g-4hfj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4bd14b1ee4ad3d4d08dc37f10a835f15064612d541eb35e2e153658d73e899e7 · sha256:832934e560e71289… · /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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