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CVE-2026-17615

Resteasy-core: resteasy sourceprovider remote unauthenticated file read

7.5 HighFix available

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.85%Up 0.6 points since Sep 1, 2026
90%50%10%1%

What each source reports

CVE List Score used 7.5

Resteasy-core: resteasy sourceprovider remote unauthenticated file read

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
CVE-2026-17615
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-611
Updated
2026-11-06
EUVDEUVD-2026-68654 7.5

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
EUVD-2026-68654
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-06
GitHub AdvisoriesGHSA-h82j-45qh-f65r 7.5

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated...

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
GHSA-h82j-45qh-f65r
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-611
Updated
2026-11-06
NVD 7.5

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
CVE-2026-17615
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-611
Updated
2026-11-06
OSVDEBIAN-CVE-2026-17615 7.5

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
DEBIAN-CVE-2026-17615
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-07
OSVRHSA-2026:72424 7.5

Red Hat Security Advisory: resteasy security update

Record
RHSA-2026:72424
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
Show 5 moreShow less
OSVRHSA-2026:77297 7.5

Red Hat Security Advisory: resteasy security update

Record
RHSA-2026:77297
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVRHSA-2026:80505 7.5

Red Hat Security Advisory: resteasy security update

Record
RHSA-2026:80505
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVRLSA-2026:72424 7.5

Important: resteasy security update

RESTEasy contains a JBoss project that provides frameworks to help build RESTful Web Services and RESTful Java applications. It is a fully certified and portable implementation of the JAX-RS specification.

Security Fix(es):

  • resteasy-core: RESTeasy SourceProvider remote unauthenticated file read (CVE-2026-17615)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
RLSA-2026:72424
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2026-17615 7.5

A flaw was found in RESTEasy's SourceProvider. This vulnerability allows an unauthenticated attacker to perform an unauthenticated remote file read. By sending a specially crafted XML body with a DOCTYPE declaration referencing external entities to an endpoint that accepts application/xml and returns Source or StreamSource, the server can be tricked into resolving the entity and including sensitive file contents in the HTTP response. This is due to the SourceProvider.writeTo() method creating a SAXParser without disabling external entity resolution, leading to an XML External Entity (XXE) vulnerability.

Record
UBUNTU-CVE-2026-17615
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVALSA-2026:72424 No score

Important: resteasy security update

RESTEasy contains a JBoss project that provides frameworks to help build RESTful Web Services and RESTful Java applications. It is a fully certified and portable implementation of the JAX-RS specification.

Security Fix(es):

  • resteasy-core: RESTeasy SourceProvider remote unauthenticated file read (CVE-2026-17615)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Record
ALSA-2026:72424
Updated
2026-11-02

Affected products

Show 5 moreShow less

Affected packages

Affected packages
PackageAffectedFixed
pki-resteasy-client
AlmaLinux:9
 before 3.0.26-20.el9_8
3.0.26-20.el9_8
pki-resteasy-core
AlmaLinux:9
 before 3.0.26-20.el9_8
3.0.26-20.el9_8
pki-resteasy-jackson2-provider
AlmaLinux:9
 before 3.0.26-20.el9_8
3.0.26-20.el9_8
pki-resteasy-servlet-initializer
AlmaLinux:9
 before 3.0.26-20.el9_8
3.0.26-20.el9_8
resteasy3.0
Debian:12
 All versions, plus listed versions
3.0.26-6
 None known
resteasy3.0
Debian:13
 All versions, plus listed versions
3.0.26-6
 None known
resteasy3.0
Debian:14
 All versions, plus listed versions
3.0.26-6
 None known
pki-resteasy-client
Red Hat:enterprise_linux:9::appstream
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
pki-resteasy-core
Red Hat:enterprise_linux:9::appstream
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
pki-resteasy-jackson2-provider
Red Hat:enterprise_linux:9::appstream
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
Show 25 moreShow less
Affected packages
PackageAffectedFixed
pki-resteasy-servlet-initializer
Red Hat:enterprise_linux:9::appstream
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
resteasy
Red Hat:enterprise_linux:9::appstream
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
pki-resteasy-client
Red Hat:rhel_eus:9.6::appstream
 before 0:3.0.26-20.el9_6
0:3.0.26-20.el9_6
pki-resteasy-core
Red Hat:rhel_eus:9.6::appstream
 before 0:3.0.26-20.el9_6
0:3.0.26-20.el9_6
pki-resteasy-jackson2-provider
Red Hat:rhel_eus:9.6::appstream
 before 0:3.0.26-20.el9_6
0:3.0.26-20.el9_6
pki-resteasy-servlet-initializer
Red Hat:rhel_eus:9.6::appstream
 before 0:3.0.26-20.el9_6
0:3.0.26-20.el9_6
resteasy
Red Hat:rhel_eus:9.6::appstream
 before 0:3.0.26-20.el9_6
0:3.0.26-20.el9_6
pki-resteasy-client
Red Hat:rhel_e4s:9.4::appstream
 before 0:3.0.26-20.el9_4
0:3.0.26-20.el9_4
pki-resteasy-core
Red Hat:rhel_e4s:9.4::appstream
 before 0:3.0.26-20.el9_4
0:3.0.26-20.el9_4
pki-resteasy-jackson2-provider
Red Hat:rhel_e4s:9.4::appstream
 before 0:3.0.26-20.el9_4
0:3.0.26-20.el9_4
pki-resteasy-servlet-initializer
Red Hat:rhel_e4s:9.4::appstream
 before 0:3.0.26-20.el9_4
0:3.0.26-20.el9_4
resteasy
Red Hat:rhel_e4s:9.4::appstream
 before 0:3.0.26-20.el9_4
0:3.0.26-20.el9_4
resteasy
Rocky Linux:9
 before 0:3.0.26-20.el9_8
0:3.0.26-20.el9_8
resteasy
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
3.0.6-33.0.6-3ubuntu0.1~esm1
 None known
resteasy3.0
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
3.0.19-13.0.19-23.0.26-1~18.043.0.26-1~18.04.1~esm1
 None known
resteasy
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3.6.2-23.6.2-2ubuntu0.20.04.1~esm1
 None known
resteasy3.0
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
3.0.26-13.0.26-1ubuntu0.1~esm1
 None known
resteasy3.0
Ubuntu:22.04:LTS
 All versions, plus listed versions
3.0.26-23.0.26-33.0.26-3ubuntu0.1
 None known
resteasy
Ubuntu:Pro:22.04:LTS
 All versions, plus listed versions
3.6.2-23.6.2-2ubuntu0.22.04.1~esm1
 None known
resteasy3.0
Ubuntu:24.04:LTS
 All versions, plus listed versions
3.0.26-63.0.26-6ubuntu0.24.04.1
 None known
resteasy
Ubuntu:Pro:24.04:LTS
 All versions, plus listed versions
3.6.2-23.6.2-2ubuntu0.24.04.1~esm1
 None known
resteasy
Ubuntu:26.10
 All versions, plus listed versions
3.6.2-4
 None known
resteasy3.0
Ubuntu:26.10
 All versions, plus listed versions
3.0.26-6
 None known
resteasy
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.6.2-33.6.2-4
 None known
resteasy3.0
Ubuntu:26.04:LTS
 All versions, plus listed versions
3.0.26-6
 None known

History

History
RecordedChangedSources
products, referencesCVE List
referencesCVE List, EUVD, GitHub Advisories, NVD, OSV
facts, products, referencesCVE List
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-17615 is a high vulnerability (CVSS 7.5) in Red Hat Build Of Apache Camel 3.33.3.sp1, published August 31, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in pki-resteasy-client 3.0.26-20.el9_8.

References

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