CWE-117
Improper Output Neutralization for Logs
The product constructs a log message from external input, but it does not neutralize or incorrectly neutralizes special elements when the message is written to a log file.
CVE-2025-54813 (GCVE-0-2025-54813)
Vulnerability from cvelistv5 – Published: 2025-08-22 18:45 – Updated: 2025-11-04 21:12
VLAI
Title
Apache Log4cxx: Improper escaping with JSONLayout
Summary
Improper Output Neutralization for Logs vulnerability in Apache Log4cxx.
When using JSONLayout, not all payload bytes are properly escaped. If an attacker-supplied message contains certain non-printable characters, these will be passed along in the message and written out as part of the JSON message. This may prevent applications that consume these logs from correctly interpreting the information within them.
This issue affects Apache Log4cxx: before 1.5.0.
Users are recommended to upgrade to version 1.5.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Log4cxx |
Affected:
0.11.0 , < 1.5.0
(semver)
|
Credits
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CVE-2025-58580 (GCVE-0-2025-58580)
Vulnerability from cvelistv5 – Published: 2025-10-06 06:49 – Updated: 2025-10-06 12:21
VLAI
Title
Injection via log file
Summary
An API endpoint allows arbitrary log entries to be created via POST request. Without sufficient validation of the input data, an attacker can create manipulated log entries and thus falsify or dilute logs, for example.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://sick.com/psirt | x_SICK PSIRT Security Advisories |
| https://www.sick.com/media/docs/9/19/719/special_… | x_SICK Operating Guidelines |
| https://www.cisa.gov/resources-tools/resources/ic… | x_ICS-CERT recommended practices on Industrial Security |
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| https://www.sick.com/.well-known/csaf/white/2025/… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SICK AG | Enterprise Analytics |
Affected:
all versions
(custom)
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CVE-2025-59784 (GCVE-0-2025-59784)
Vulnerability from cvelistv5 – Published: 2026-03-04 15:26 – Updated: 2026-03-04 16:16
VLAI
Title
Log Pollution - Control Characters Not Escaped
Summary
2N Access Commander version 3.4.1 and prior is vulnerable to log pollution. Certain parameters sent over API may be included in the logs without prior validation or sanitisation.
This vulnerability can only be exploited after authenticating with administrator privileges.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.2n.com/en-GB/download/cve_2025_59784_… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| 2N Telekomunikace a.s. | 2N Access Commander |
Affected:
0 , < 3.4.2
(Release)
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CVE-2025-66577 (GCVE-0-2025-66577)
Vulnerability from cvelistv5 – Published: 2025-12-05 18:20 – Updated: 2025-12-05 18:29
VLAI
Title
cpp-httplib Untrusted HTTP Header Handling: X-Forwarded-For/X-Real-IP Trust
Summary
cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, a vulnerability allows attacker-controlled HTTP headers to influence server-visible metadata, logging, and authorization decisions. An attacker can supply X-Forwarded-For or X-Real-IP headers which get accepted unconditionally by get_client_ip() in docker/main.cc, causing access and error logs (nginx_access_logger / nginx_error_logger) to record spoofed client IPs (log poisoning / audit evasion). This vulnerability is fixed in 0.27.0.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/yhirose/cpp-httplib/security/a… | x_refsource_CONFIRM |
| https://github.com/yhirose/cpp-httplib/commit/ac9… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| yhirose | cpp-httplib |
Affected:
< 0.27.0
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CVE-2026-1337 (GCVE-0-2026-1337)
Vulnerability from cvelistv5 – Published: 2026-02-06 13:13 – Updated: 2026-02-06 14:30
VLAI
Title
Insufficient escaping of unicode characters in query log
Summary
Insufficient escaping of unicode characters in query log in Neo4j Enterprise and Community editions prior to 2026.01 can lead to XSS if the user opens the logs in a tool that treats them as HTML. There is no security impact on Neo4j products, but this advisory is released as a precaution to treat the logs as plain text if using versions prior to 2026.01.
Proof of concept exploit: https://github.com/JoakimBulow/CVE-2026-1337
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/JoakimBulow/CVE-2026-1337 | exploit |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| neo4j | Enterprise Edition |
Affected:
0 , < 2026.01.0
(date)
|
|
| neo4j | Community Edition |
Affected:
0 , < 2026.01.0
(date)
|
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CVE-2026-25548 (GCVE-0-2026-25548)
Vulnerability from cvelistv5 – Published: 2026-02-18 22:49 – Updated: 2026-02-19 17:46
VLAI
Title
InvoicePlane Vulnerable to Remote Code Execution via Local File Inclusion and Log Poisoning
Summary
InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A critical Remote Code Execution (RCE) vulnerability exists in InvoicePlane 1.7.0 through a chained Local File Inclusion (LFI) and Log Poisoning attack. An authenticated administrator can execute arbitrary system commands on the server by manipulating the `public_invoice_template` setting to include poisoned log files containing PHP code. Version 1.7.1 patches the issue.
Severity
9.1 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/InvoicePlane/InvoicePlane/secu… | x_refsource_CONFIRM |
| https://github.com/InvoicePlane/InvoicePlane/comm… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| InvoicePlane | InvoicePlane |
Affected:
<= 1.7.0
|
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CVE-2026-34478 (GCVE-0-2026-34478)
Vulnerability from cvelistv5 – Published: 2026-04-10 15:40 – Updated: 2026-04-10 17:50
VLAI
Title
Apache Log4j Core: Log injection in Rfc5424Layout due to silent configuration incompatibility
Summary
Apache Log4j Core's Rfc5424Layout https://logging.apache.org/log4j/2.x/manual/layouts.html#RFC5424Layout , in versions 2.21.0 through 2.25.3, is vulnerable to log injection via CRLF sequences due to undocumented renames of security-relevant configuration attributes.
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* The useTlsMessageFormat attribute was silently renamed, causing users of TLS framing (RFC 5425) to be silently downgraded to unframed TCP (RFC 6587), without newline escaping.
Users of the SyslogAppender are not affected, as its configuration attributes were not modified.
Users are advised to upgrade to Apache Log4j Core 2.25.4, which corrects this issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/apache/logging-log4j2/pull/4074 | patch |
| https://logging.apache.org/security.html#CVE-2026-34478 | vendor-advisory |
| https://logging.apache.org/cyclonedx/vdr.xml | vendor-advisory |
| https://logging.apache.org/log4j/2.x/manual/layou… | related |
| https://lists.apache.org/thread/3k1clr2l6vkdnl4cb… | vendor-advisory |
| http://www.openwall.com/lists/oss-security/2026/04/10/7 |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Log4j Core |
Affected:
2.21.0 , < 2.25.4
(maven)
Affected: 3.0.0-beta1 , ≤ 3.0.0-beta3 (maven) cpe:2.3:a:apache:log4j:*:*:*:*:*:*:*:* |
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CVE-2026-45679 (GCVE-0-2026-45679)
Vulnerability from cvelistv5 – Published: 2026-06-02 15:24 – Updated: 2026-06-02 16:42
VLAI
Title
OpenTelemetry eBPF Instrumentation: Redis error text is exported in span status messages
Summary
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, OBI exports raw Redis error text as the span status message. Because Redis error replies can contain attacker-controlled or sensitive values, this behavior can exfiltrate tokens, PII, or other confidential input into telemetry backends and inject untrusted text into downstream analysis systems. This issue has been patched in version 0.9.0.
Severity
6.5 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_CONFIRM |
| https://github.com/open-telemetry/opentelemetry-e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation |
Affected:
< 0.9.0
|
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CVE-2026-6494 (GCVE-0-2026-6494)
Vulnerability from cvelistv5 – Published: 2026-04-17 08:18 – Updated: 2026-04-18 02:53
VLAI
Title
Aap-mcp-server: aap mcp server: log injection allows social engineering attacks via unsanitized input
Summary
A flaw was found in the AAP MCP server. An unauthenticated remote attacker can exploit a log injection vulnerability by sending specially crafted input to the `toolsetroute` parameter. This parameter is not properly sanitized before being written to logs, allowing the attacker to inject control characters such as newlines and ANSI escape sequences. This enables the attacker to obscure legitimate log entries and insert forged ones, which could facilitate social engineering attacks, potentially leading to an operator executing dangerous commands or visiting malicious URLs.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-117 - Improper Output Neutralization for Logs
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://access.redhat.com/security/cve/CVE-2026-6494 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2459131 | issue-trackingx_refsource_REDHAT |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Red Hat | Red Hat Ansible Automation Platform 2 |
cpe:/a:redhat:ansible_automation_platform:2 |
Date Public
2026-04-17 00:00
Credits
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Mitigation ID: MIT-5
Phase: Implementation
Strategy: Input Validation
Description:
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
Mitigation ID: MIT-30
Phase: Implementation
Strategy: Output Encoding
Description:
- Use and specify an output encoding that can be handled by the downstream component that is reading the output. Common encodings include ISO-8859-1, UTF-7, and UTF-8. When an encoding is not specified, a downstream component may choose a different encoding, either by assuming a default encoding or automatically inferring which encoding is being used, which can be erroneous. When the encodings are inconsistent, the downstream component might treat some character or byte sequences as special, even if they are not special in the original encoding. Attackers might then be able to exploit this discrepancy and conduct injection attacks; they even might be able to bypass protection mechanisms that assume the original encoding is also being used by the downstream component.
Mitigation ID: MIT-20
Phase: Implementation
Strategy: Input Validation
Description:
- Inputs should be decoded and canonicalized to the application's current internal representation before being validated (CWE-180). Make sure that the application does not decode the same input twice (CWE-174). Such errors could be used to bypass allowlist validation schemes by introducing dangerous inputs after they have been checked.
CAPEC-268: Audit Log Manipulation
The attacker injects, manipulates, deletes, or forges malicious log entries into the log file, in an attempt to mislead an audit of the log file or cover tracks of an attack. Due to either insufficient access controls of the log files or the logging mechanism, the attacker is able to perform such actions.
CAPEC-81: Web Server Logs Tampering
Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.
CAPEC-93: Log Injection-Tampering-Forging
This attack targets the log files of the target host. The attacker injects, manipulates or forges malicious log entries in the log file, allowing them to mislead a log audit, cover traces of attack, or perform other malicious actions. The target host is not properly controlling log access. As a result tainted data is resulting in the log files leading to a failure in accountability, non-repudiation and incident forensics capability.