What’s Vulnerable › Vulnerabilities

CVE-2019-10906

• Severity: high (CVSS 8.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-07 · updated 2026-06-17

Description

In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 18.10, 19.04
• Fedoraproject Fedora: 28, 29, 30
• openSUSE Leap: 15.0, 42.3
• pallets jinja: before 2.10.1 — fixed in 2.10.1
• RedHat Software Collections: 1.0

How to fix

Upgrade to a fixed version: pallets jinja 2.10.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00030.html
• http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00064.html
• https://access.redhat.com/errata/RHSA-2019:1152
• https://access.redhat.com/errata/RHSA-2019:1237
• https://access.redhat.com/errata/RHSA-2019:1329
• https://lists.apache.org/thread.html/09fc842ff444cd43d9d4c510756fec625ef8eb1175f14fd21de2605f%40%3Cdevnull.infra.apache.org%3E
• https://lists.apache.org/thread.html/2b52b9c8b9d6366a4f1b407a8bde6af28d9fc73fdb3b37695fd0d9ac%40%3Cdevnull.infra.apache.org%3E
• https://lists.apache.org/thread.html/320441dccbd9a545320f5f07306d711d4bbd31ba43dc9eebcfc602df%40%3Cdevnull.infra.apache.org%3E
• https://lists.apache.org/thread.html/46c055e173b52d599c648a98199972dbd6a89d2b4c4647b0500f2284%40%3Cdevnull.infra.apache.org%3E
• https://lists.apache.org/thread.html/57673a78c4d5c870d3f21465c7e2946b9f8285c7c57e54c2ae552f02%40%3Ccommits.airflow.apache.org%3E
• https://lists.apache.org/thread.html/7f39f01392d320dfb48e4901db68daeece62fd60ef20955966739993%40%3Ccommits.airflow.apache.org%3E
• https://lists.apache.org/thread.html/b2380d147b508bbcb90d2cad443c159e63e12555966ab4f320ee22da%40%3Ccommits.airflow.apache.org%3E

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