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🛡️ CVE-2025-41234 — spring-web

🟡 CVSS 6.5 — Medium ✅ No Known Exploit CWE-113 NVD
6.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Description

In Spring Framework, versions 6.0.x as of 6.0.5, versions 6.1.x and 6.2.x, an application is vulnerable to a reflected file download (RFD) attack when it sets a “Content-Disposition” header with a non-ASCII charset, where the filename attribute is derived from user-supplied input.

Specifically, an application is vulnerable when all the following are true:

  • The header is prepared with org.springframework.http.ContentDisposition.
  • The filename is set via ContentDisposition.Builder#filename(String, Charset).
  • The value for the filename is derived from user-supplied input.
  • The application does not sanitize the user-supplied input.
  • The downloaded content of the response is injected with malicious commands by the attacker (see RFD paper reference for details).

An application is not vulnerable if any of the following is true:

  • The application does not set a “Content-Disposition” response header.
  • The header is not prepared with org.springframework.http.ContentDisposition.
  • The filename is set via one of: * ContentDisposition.Builder#filename(String), or
  • ContentDisposition.Builder#filename(String, ASCII)
  • The filename is not derived from user-supplied input.
  • The filename is derived from user-supplied input but sanitized by the application.
  • The attacker cannot inject malicious content in the downloaded content of the response.

Affected Spring Products and VersionsSpring Framework:

  • 6.2.0 - 6.2.7
  • 6.1.0 - 6.1.20
  • 6.0.5 - 6.0.28
  • Older, unsupported versions are not affected

MitigationUsers of affected versions should upgrade to the corresponding fixed version.

Affected version(s)Fix versionAvailability6.2.x6.2.8OSS6.1.x6.1.21OSS6.0.x6.0.29 Commercial https://enterprise.spring.io/ No further mitigation steps are necessary.

CWE-113 in Content-Disposition handling in VMware Spring Framework versions 6.0.5 to 6.2.7 allows remote attackers to launch Reflected File Download (RFD) attacks via unsanitized user input in ContentDisposition.Builder#filename(String, Charset) with non-ASCII charsets.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity low, availability none.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N

  • Attack vector: Network — reachable from anywhere that can route to the service.
  • Attack complexity: High — the attacker first has to win a race, learn a secret or otherwise prepare the target.
  • Privileges required: Low — an ordinary user account is enough.
  • User interaction: Required — someone has to click, open or visit something.
  • Scope: Changed — a successful attack reaches components beyond the vulnerable one.
  • Confidentiality impact: High — total loss, or loss the attacker controls.
  • Integrity impact: Low — limited, and the attacker does not choose what is affected.
  • Availability impact: None.

Weakness class

CVE-2025-41234 is classified as CWE-113: HTTP Response Splitting. Unescaped input reaches an HTTP header, letting an attacker inject line breaks and forge additional headers or responses.

Affected software

CVE-2025-41234 is recorded against 2 packages.

  • org.springframework:spring-web (from 6.0.5)
  • unknown

Timeline and source

Published on 13 June 2025 and last revised on 4 February 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Package)
spring.io (Web)

Other advisories for this package

org.springframework:spring-web has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-113: HTTP Response Splitting) in other software:

CVE-2025-41234 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Medium
CVSS Score 6.5
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:L/A:N
CWE CWE-113
Public Exploit ✅ No
Source NVD
Published 2025-06-13
Updated 2026-08-20
Modified 2026-02-04
Fix URL N/A

Affected Packages

Software From version Fixed in
org.springframework:spring-web 6.0.5 —
unknown — —

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