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Fencer Vulns
high 8.2

CVE-2024-21527 json

CVE-2024-21527 in github.com/gotenberg/gotenberg

published 2024-07-19 2 y ago modified 2026-07-08 4 mo ago also GO-2024-2996 , EUVD-2024-19196

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

Versions of the package github.com/gotenberg/gotenberg/v8/pkg/gotenberg before 8.1.0; versions of the package github.com/gotenberg/gotenberg/v8/pkg/modules/chromium before 8.1.0; versions of the package github.com/gotenberg/gotenberg/v8/pkg/modules/webhook before 8.1.0 are vulnerable to Server-side Request Forgery (SSRF) via the /convert/html endpoint when a request is made to a file via localhost, such as <iframe src="\\localhost/etc/passwd">. By exploiting this vulnerability, an attacker can achieve local file inclusion, allowing of sensitive files read on the host system. Workaround An alternative is using either or both --chromium-deny-list and --chromium-allow-list flags.

Patch / fix

  • go github.com/gotenberg/gotenberg/v8 8.1.0
  • n/a github.com/gotenberg/gotenberg/v8/pkg/gotenberg 8.1.0
  • n/a github.com/gotenberg/gotenberg/v8/pkg/modules/chromium 8.1.0
  • n/a github.com/gotenberg/gotenberg/v8/pkg/modules/webhook 8.1.0
  • gotenberg gotenberg 8.1.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 4.0 8.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N/E:P
CNA 4.0 7.8 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Affected packages

ecosystem package affected fixed in
go github.com/gotenberg/gotenberg/v7
all versions
no fix listed
go github.com/gotenberg/gotenberg/v8
<8.1.0
8.1.0

Affected products

  • n/a github.com/gotenberg/gotenberg/v8/pkg/gotenberg
  • n/a github.com/gotenberg/gotenberg/v8/pkg/modules/chromium
  • n/a github.com/gotenberg/gotenberg/v8/pkg/modules/webhook
  • gotenberg gotenberg

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.