CVE-2026-22663

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-04-03. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
20.0%
KEV
Not listed

Published

April 3, 2026

Last Modified

July 14, 2026

Advisory Details (3)

Auto-updated Jun 10, 2026
Upstream fix merged — awaiting tagged release. Sources: github_commit, github_pr.
generic

prompts.chat Authorization Bypass Information Disclosure | Advisories | VulnCheck

https://www.vulncheck.com/advisories/prompts-chat-authorization-bypass-information-disclosure
github_pr

fix(security): Private Prompt Access Control Fixes

Fix merged in f/prompts.chat PR #1104 on 2026-03-29 — awaiting tagged release

https://github.com/f/prompts.chat/pull/1104
github_commit

commit 7b81836b214f (f/prompts.chat)

Fix landed in f/prompts.chat commit 7b81836b214f — awaiting tagged release

https://github.com/f/prompts.chat/commit/7b81836b214f2796aaf37ded2944eadc978afd35

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 16× in last 7d / 49× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 119 total refreshes for this CVE.

  1. 2026-07-21 15:24 UTCEPSS rescore
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  3. 2026-07-20 17:08 UTCEPSS rescore
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  10. 2026-07-17 03:24 UTCOSV refresh
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  1. 2026-07-06 16:27 UTCEPSS rescore
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  38. 2026-06-11 21:56 UTCGHSA enrichment
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  40. 2026-06-10 22:18 UTCEPSS rescore
  41. 2026-06-10 15:36 UTCGHSA enrichment
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  43. 2026-06-10 03:02 UTCGHSA enrichment
  44. 2026-06-09 14:27 UTCGHSA enrichment
  45. 2026-06-08 14:17 UTCEPSS rescore
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  47. 2026-06-08 12:31 UTCGHSA enrichment
  48. 2026-06-07 23:25 UTCGHSA enrichment
  49. 2026-06-07 15:25 UTCEPSS rescore
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  51. 2026-06-07 10:50 UTCGHSA enrichment
  52. 2026-06-06 13:47 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2026-22663?
CVE-2026-22663 is a high vulnerability published on April 3, 2026. 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…
When was CVE-2026-22663 disclosed?
CVE-2026-22663 was first published in the National Vulnerability Database on April 3, 2026, with the most recent update on July 14, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-22663 actively exploited?
CVE-2026-22663 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 20.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-22663?
CVE-2026-22663 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-22663?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-22663, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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