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CVE-2026-57942

MEDIUM Exploitation: PoC
5.3
CVSS 3.1
Description
LibreTranslate through 1.9.7, fixed in commit 397fd22, contains an IP spoofing vulnerability in the get_remote_address() function that allows unauthenticated attackers to spoof client IP addresses by injecting arbitrary values into the X-Forwarded-For header without trusted proxy validation. Attackers can bypass per-IP rate limiting and flood bans by supplying forged addresses in the X-Forwarded-For header to enable unlimited API abuse.

Metadata

CVE ID
CVE-2026-57942
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-06-26 13:57 UTC
Published
2026-06-29 17:17 UTC
Last updated
2026-06-29 18:37 UTC
Primary CWE
CWE-348
Use of Less Trusted Source
Vendor / Product
LibreTranslate / LibreTranslate
Sources
cve.org  ·  NVD

Severity & Metrics

5.3 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
yes
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
LibreTranslate LibreTranslate — 0 ≤ 1.9.7, 397fd224080515d4001a1bc60c8fed53e3c56b6f
Weakness (CWE)
CWESourceDescription
CWE-348 cna Use of Less Trusted Source
CVSS scores (2)
ScoreSeverityVersionSourceVector
6.9 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
5.3 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References (4)
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