CVE-2026-39845

mediumpriority · track · 0EPSS 0.003 · 20 %ileEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.27% (20th) EPSS
CVSS 4.1 · medium
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.1
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.8–4.1

v3.14.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:Nsecondary · ENISA EU
v3.14.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:Nsecondary · security-advisories@github.comexploitability 2.3 · impact 1.4
v3.14.1mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:Nsecondary · OSV
v3.13.8lowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-918USCWE-918US
04

affected products (3)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • GHSA-f8hv-g549-hwg2Weblate: SSRF via the webhook add-on using unprotected fetch_url()2026-04-16ghsa · osvUS

    ### Impact The webhook add-on did not utilize existing SSRF protection. ### Patches * https://github.com/WeblateOrg/weblate/pull/18815 ### Workarounds Disabling the add-on would avoid misusing this. ### References Thanks to @Lihfdgjr for reporting this via GitHub.

  • PYSEC-2026-1562026-04-15vendor · osvUS

    Weblate is a web based localization tool. In versions prior to 5.17, the webhook add-on did not utilize existing SSRF protections. This issue has been fixed in version 5.17. If developers are unable to update immediately, they can disable the webhook add-on as a workaround.

06

also known as (6)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdosvnvdNVDCVE.orgMITRE
published 2026-04-15modified 2026-10-26
08

references (6)

External citations — patches, advisories, analysis.

scry

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