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Description

Summarize before 0.17.0 contains a server-side request forgery vulnerability that allows attackers who control a podcast RSS feed to direct the host to fetch transcript content from loopback addresses, link-local addresses, RFC 1918 private ranges, or other reserved destinations by supplying malicious podcast:transcript URL values. Attackers can bypass protections through DNS rebinding and redirect-based techniques, as redirect targets are not revalidated and hostnames are not resolved before request dispatch, exposing internal service responses through the summarization flow.

PUBLISHED Reserved 2026-06-10 | Published 2026-06-11 | Updated 2026-06-12 | Assigner VulnCheck




MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N

HIGH: 7.4CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

Problem types

Server-Side Request Forgery (SSRF)

Product status

Default status
affected

Any version before 0.17.0
affected

Credits

Chia Min Jun Lennon finder

References

github.com/steipete/summarize/releases/tag/v0.17.0 release-notes

github.com/steipete/summarize/pull/239 issue-tracking

github.com/...ommit/3c5522440c4833dde033e226baa39e6dda1dfc75 patch

www.vulncheck.com/...e-ssrf-via-podcast-transcript-url-fetch third-party-advisory

cve.org (CVE-2026-53782)

nvd.nist.gov (CVE-2026-53782)

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