5.3

CVE-2026-77310: fasterxml com.fasterxml.jackson.core:jackson-databind Server-Side Request Forgery (SSRF)

CVSS: 5.3v3.1MediumDeferred
AliasesUBUNTU-CVE-2026-77310CGA-2c3x-fh36-f4pcCGA-2v47-627m-jxx5
Published 24-08-2026Last modified 25-08-2026
Open JSON

Vulnerability summary

CVE-2026-77310 is a medium (CVSS 5.3) Server-Side Request Forgery (SSRF) vulnerability in fasterxml com.fasterxml.jackson.core:jackson-databind. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 24-08-2026
    PublishedVulnerability first disclosed.
  2. 25-08-2026
    Last modifiedVulnerability information updated.

Description

jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. Prior to versions 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1 on their respective release lines, the java.net.InetAddress branch of FromStringDeserializer.Std._deserialize() calls InetAddress.getByName() on attacker-controlled input, causing eager DNS resolution during deserialization and enabling DNS-based server-side request forgery and internal-host enumeration. This issue is fixed in versions 2.18.9, 2.21.5, 2.22.1, 3.1.5, and 3.2.1.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

+0.13 pp

From 0.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard200 products
  • airflow-2All versions (No fix recorded)
  • akhq< 0.28.0-r10
  • apache-nifi-2.11All versions (No fix recorded)
  • apache-nifi-2.12All versions (No fix recorded)
  • apache-polarisAll versions (No fix recorded)

1 vendor · 200 products · Showing 200 of 234. Use Open JSON for the complete list.

References

13 links
Show all 13 references