CVE-2026-25688

Q: How do I fix CVE-2026-25688?

Upgrade answer to 2.0.1 or later.

Q: Is CVE-2026-25688 being actively exploited?

Not that we know of. CVE-2026-25688 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.41% is the estimated probability that it will be exploited in the next 30 days. That is higher than 33% of all scored CVEs.

Q: How severe is CVE-2026-25688?

CVE-2026-25688 has a CVSS v3 base score of 6.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-25688 affect?

Published advisories record a fix for answer (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

MEDIUM

6.1

CVSS v3

NVD

Description

Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

CWE-87

How to fix

Remediation Available

answerNVD

Affected:< 2.0.1Fixed in:2.0.1CVE-2026-25688derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Third-Party Advisory1

openwall.com

Related Vulnerabilities

Other CWE-87 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-40321	High	8.0	7.6%	-	Fix
CVE-2023-35161	Critical	9.6	2.4%	-	Fix
CVE-2023-35160	Critical	9.6	2.3%	-	Fix
CVE-2023-35159	Critical	9.6	2.2%	-	Fix
CVE-2023-35156	Critical	9.6	2.1%	-	Fix
CVE-2023-35158	Critical	9.6	2.0%	-	Fix

Common questions

How do I fix CVE-2026-25688?

Upgrade answer to 2.0.1 or later.

Is CVE-2026-25688 being actively exploited?

Not that we know of. CVE-2026-25688 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.41% is the estimated probability that it will be exploited in the next 30 days. That is higher than 33% of all scored CVEs.

How severe is CVE-2026-25688?

CVE-2026-25688 has a CVSS v3 base score of 6.1, rated medium. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-25688 affect?

Published advisories record a fix for answer (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-23.