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Fencer Vulns
high 7.5

CVE-2023-35844 json

packages/backend/src/routers in Lightdash before 0.510.3 has insecure file endpoints, e.g., they allow .. directory traversal and do not en…

published 2023-06-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-39837

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
6.3%
EPSS 6.3% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known, plus a Nuclei check

Summary

packages/backend/src/routers in Lightdash before 0.510.3 has insecure file endpoints, e.g., they allow .. directory traversal and do not ensure that an intended file extension (.csv or .png) is used.

Patch / fix

  • lightdash lightdash 0.510.3

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

6.34% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Lightdash version <= 0.510.3 Arbitrary File Read nuclei detection template
  • advisory.dw1.io https://advisory.dw1.io/59 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

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.