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Vulnerabilities

Vulnerability · CVE-2026-48920

Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as in email content by setting the attribute, without restrictions on the image UR…

Published May 27, 2026 · catalog updated Oct 14, 2026 · email extension

Check if you run it

No confirmed exploitation is on record for CVE-2026-48920. EPSS is 0.51%. Act only if a listed version of email extension is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.51%
Remediation
Advisory link
Affected products
cpe jenkins/email extension

Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as in email content by setting the attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify URLs for images to read arbitrary files from the Jenkins controller filesystem.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe jenkins/email extension1933.v45cec755423f

How to fix CVE-2026-48920

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-48920. EPSS is 0.51%. Act only if a listed version of email extension is installed.

Which versions are affected?

Compare what you have installed with jenkins/email extension 1933.v45cec755423f. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-73. EPSS 0.51%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 27, 2026 · NIST NVD

    Detected

    Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as in email content by setting the attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify URLs for images to read arbitrary files from the Jenkins controller filesystem.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as in email content by setting the attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify URLs for images to read arbitrary files from the Jenkins controller filesystem.

Sources

  • CVE.orgVulnerability recordCVE-2026-48920

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-48920

    30-day exploitation probability 0.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-48920

    Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as in email content by setting the attribute, without restrictions on the image URLs that can be inlined, allowing attackers able to control the email content to specify `f

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.