How severe is CVE-2026-22663?

CVE-2026-22663 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-22663 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22663?

CVE-2026-22663 affects Fka Prompts.chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22663?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-22663 have an EU (EUVD) identifier?

Yes. CVE-2026-22663 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18825.

When was CVE-2026-22663 published?

CVE-2026-22663 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-22663

CVE-2026-22663 is a high-severity vulnerability in Fka Prompts.chat with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18825
Weakness: CWE-862
Affected product: Fka Prompts.chat
Published: 2026-04-03
Last modified: 2026-06-17

Description

prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing authorization checks to retrieve private prompt version history, change requests, examples, current content, and metadata including titles and descriptions exposed via HTML meta tags.

Frequently asked questions

What is CVE-2026-22663?: prompts.chat prior to commit 7b81836 contains multiple authorization bypass vulnerabilities due to missing isPrivate checks across API endpoints and page metadata generation that allow unauthorized users to access sensitive data associated with private prompts. Attackers can exploit these missing authorization checks to retrieve private prompt version history, change requests, examples, current content, and metadata including titles and descriptions exposed via HTML meta tags.
How severe is CVE-2026-22663?: CVE-2026-22663 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-22663 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22663?: CVE-2026-22663 affects Fka Prompts.chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22663?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-22663 have an EU (EUVD) identifier?: Yes. CVE-2026-22663 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18825.
When was CVE-2026-22663 published?: CVE-2026-22663 was published on 2026-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fka:prompts.chat:*:*:*:*:*:*:*:*

More vulnerabilities in Fka Prompts.chat

CVE-2026-22665 — High (CVSS 8.1): prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive…
CVE-2026-22661 — High (CVSS 8.1): prompts.chat prior to commit 0f8d4c3 contains a path traversal vulnerability in skill file handling that allows…
CVE-2026-22664 — High (CVSS 7.7): prompts.chat prior to commit 30a8f04 contains a server-side request forgery vulnerability in the Fal.ai media status…
CVE-2026-22662 — Medium (CVSS 4.3): prompts.chat prior to commit 1464475 contains a blind server-side request forgery vulnerability in the Wiro media…

All CVEs affecting Fka Prompts.chat →

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