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cpe:2.3:a:legeling:prompthub:*:*:*:*:*:*:*:*

part: a version: * update: *

VendorLegeling (47debecd-86ff-50ec-9817-845ae2e0758c)
ProductPrompthub (1930060a-19dd-5dd4-bc57-642c8af2c981)
Edition*
Language*
Software edition*
Target software*
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Notes

Imported from gcve-enriched-dumps CVE data

PURL mappings

PURLSourceLast updated
pkg:github/legeling/prompthub purl2cpe 2026-07-28 16:41:17.791116

Vulnerability references

IdentifiercpeApplicabilitySubmitteddb.gcve.eu detailsRationale
CVE:CVE-2026-42261 vulnerable 2026-06-08 08:03:16.093856 PromptHub: Authenticated SSRF via IPv6 filter bypass in `POST /api/skills/fetch-remote`
HIGH (7.1)
PromptHub is an all-in-one AI toolbox for prompt, skill, and agent management. From version 0.4.9 to before version 0.5.4, apps/web/src/routes/skills.ts exposes an authenticated endpoint POST /api/skills/fetch-remote that fetches a user-supplied URL server-side and reflects the response body (up to 5 MB) back to the caller. The SSRF protection in apps/web/src/utils/remote-http.ts (isPrivateIPv6) attempts to block private/loopback destinations, but multiple alternate-but-valid IPv6 representations bypass the check. The bypasses reach any IPv4 address (loopback, RFC1918, link-local) via IPv4-mapped IPv6 in hex form, and the canonical ::1 via any representation that isn't the literal string "::1". Any authenticated user (role: user or admin) can trigger the SSRF. On deployments configured with ALLOW_REGISTRATION=true — a supported and documented configuration — this means any internet user who can register. This issue has been patched in version 0.5.4.
Published: 2026-05-08T03:11:25.305Z
Updated: 2026-05-11T18:11:16.696Z
Reference links
Imported from gcve-enriched-dumps CVE data

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