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  2. After Bitcoin Core 0.14.0 and before Bitcoin Core 29.0, validating a specially-crafted block may cause the node to access previously freed memory.
    During validation, necessary data required for checking inputs for each transaction is pre-calculated and cached. For specially crafted invalid blocks, it was possible for this data to be destroyed while it was still being accessed by a background validation thread. An attacker capable of mining a block with sufficient proof-of-work could have exploited this to crash victim nodes. Because of the nature of use-after-free bugs, it is possible that the crash could have been used for remote code execution, though constraints on the input (block) data make this unlikely.
    This issue is considered High severity.

    Details

    By default, script validation for new blocks is dispatched to background threads via a vector of CScriptCheck functors. Each CScriptCheck holds a pointer to a PrecomputedTransactionData object which stores some data needed by each input in the transaction. Because it stores a pointer and not the data itself, care must be taken to ensure that the PrecomputedTransactionData outlives the CScriptCheck.
    The script checks lifetime is enforced by an RAII class, CCheckQueueControl. However, the control is intantiated before the precomputed transaction data. Because local objects in C++ are destructed in reverse order of construction, this means the vector of PrecomputedTransactionData is destroyed before the CCheckQueueControl.
    This is not an issue when the block is valid, as CCheckQueueControl::Wait() will be called before the function returns and the PrecomputedTransactionData gets destroyed. However, in case of an early return (when a separate check fails) a background script thread may read the precomputed transaction data after it was destroyed. An attacker could exploit this to crash victim nodes at the expense of a valid PoW at tip.

    Attribution

    Cory Fields (MIT DCI) discovered this vulnerability and responsibly disclosed it in a detailed report containing a proof of concept for reproduction and a proposed mitigation.

    Timeline

    • 2024-11-02 Cory Fields privately reports the bug
    • 2024-11-06 Pieter Wuille pushes a covert fix to already open PR #31112 which works around the issue by removing the early returns
    • 2024-12-03 PR #31112 is merged
    • 2025-04-12 Bitcoin Core version 29.0 is released with a fix
    • 2026-04-19 The last vulnerable Bitcoin Core version (28.x) goes end of life
    • 2026-05-05 Public disclosure.

[CVE-2026-26006] [Modified: 17-02-2026] [Analyzed] [V3.1 S6.5:MEDIUM] AutoGPT is a platform that allows users to create, deploy, and manage continuous artificial intelligence agents that automate complex workflows. The autogpt before 0.6.32 is vulnerable to Regular Expression Denial of Service due to the use of regex at Code Extraction Block. The two Regex are used containing the corresponding dangerous patterns \s+[\s\S]*? and \s+(.*?). They share a common characteristic — the combination of two adjacent quantifiers that can match the same space character (\s). As a result, an attacker can supply a long sequence of space characters to trigger excessive regex backtracking, potentially leading to a Denial of Service (DoS). This vulnerability is fixed in 0.6.32.

[CVE-2026-26007] [Modified: 23-02-2026] [Analyzed] [V3.1 S6.5:MEDIUM] cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 46.0.5, the public_key_from_numbers (or EllipticCurvePublicNumbers.public_key()), EllipticCurvePublicNumbers.public_key(), load_der_public_key() and load_pem_public_key() functions do not verify that the point belongs to the expected prime-order subgroup of the curve. This missing validation allows an attacker to provide a public key point P from a small-order subgroup. This can lead to security issues in various situations, such as the most commonly used signature verification (ECDSA) and shared key negotiation (ECDH). When the victim computes the shared secret as S = [victim_private_key]P via ECDH, this leaks information about victim_private_key mod (small_subgroup_order). For curves with cofactor > 1, this reveals the least significant bits of the private key. When these weak public keys are used in ECDSA , it's easy to forge signatures on the small subgroup. Only SECT curves are impacted by this. This vulnerability is fixed in 46.0.5.

[CVE-2026-26013] [Modified: 17-03-2026] [Analyzed] [V3.1 S3.7:LOW] LangChain is a framework for building agents and LLM-powered applications. Prior to 1.2.11, the ChatOpenAI.get_num_tokens_from_messages() method fetches arbitrary image_url values without validation when computing token counts for vision-enabled models. This allows attackers to trigger Server-Side Request Forgery (SSRF) attacks by providing malicious image URLs in user input. This vulnerability is fixed in 1.2.11.

[CVE-2026-1571] [Modified: 20-02-2026] [Analyzed] [V3.1 S6.1:MEDIUM] User-controlled input is reflected into the HTML output without proper encoding on TP-Link Archer C60 v3, allowing arbitrary JavaScript execution via a crafted URL. An attacker could run script in the device web UI context, potentially enabling credential theft, session hijacking, or unintended actions if a privileged user is targeted.

[CVE-2025-13648] [Modified: 17-03-2026] [Analyzed] [V3.1 S6.1:MEDIUM] An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is required) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Name’ and “Surname” parameters within the ‘My Account’ section at the URL: https://zeus.microcom.es:4040/administracion-estaciones.html  resulting in a stored XSS. This issue affects ZeusWeb: 6.1.31.

[CVE-2025-13649] [Modified: 17-03-2026] [Analyzed] [V3.1 S6.1:MEDIUM] An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Email’ parameters within the ‘Recover password’ section at the URL: https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.

[CVE-2025-13650] [Modified: 20-03-2026] [Analyzed] [V3.1 S6.1:MEDIUM] An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Surname’ parameter of the ‘Create Account’ operation at the URL:  https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.

[CVE-2025-13651] [Modified: 26-03-2026] [Analyzed] [V3.1 S7.5:HIGH] Exposure of Sensitive System Information to an Unauthorized Actor vulnerability in Microcom ZeusWeb allows Web Application Fingerprinting of sensitive data. This issue affects ZeusWeb: 6.1.31.

[CVE-2025-12073] [Modified: 13-02-2026] [Analyzed] [V3.1 S4.3:MEDIUM] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions, could have allowed an authenticated user to perform server-side request forgery against internal services by bypassing protections in the Git repository import functionality.

[CVE-2025-12575] [Modified: 13-02-2026] [Analyzed] [V3.1 S5.4:MEDIUM] GitLab has remediated an issue in GitLab EE affecting all versions from 18.0 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user with certain permissions to make unauthorized requests to internal network services through the GitLab server.

[CVE-2025-14560] [Modified: 13-02-2026] [Analyzed] [V3.1 S7.3:HIGH] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.1 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized actions on behalf of another user by injecting malicious content into vulnerability code flow.

[CVE-2025-14592] [Modified: 13-02-2026] [Analyzed] [V3.1 S3.7:LOW] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to perform unauthorized operations by submitting GraphQL mutations through the GLQL API endpoint.

[CVE-2025-14594] [Modified: 13-02-2026] [Analyzed] [V3.1 S3.5:LOW] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 17.11 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to view certain pipeline values by querying the API.

[CVE-2025-7659] [Modified: 13-02-2026] [Analyzed] [V3.1 S8.0:HIGH] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.2 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to steal tokens and access private repositories by abusing incomplete validation in the Web IDE.

[CVE-2025-8099] [Modified: 13-02-2026] [Analyzed] [V3.1 S7.5:HIGH] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.8 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions, could have allowed an unauthenticated user to cause denial of service by sending repeated GraphQL queries.

[CVE-2026-0595] [Modified: 12-02-2026] [Analyzed] [V3.1 S7.3:HIGH] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

[CVE-2026-0958] [Modified: 13-02-2026] [Analyzed] [V3.1 S7.5:HIGH] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.4 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an unauthenticated user to cause denial of service through memory or CPU exhaustion by bypassing JSON validation middleware limits.

[CVE-2026-1080] [Modified: 12-02-2026] [Analyzed] [V3.1 S4.3:MEDIUM] GitLab has remediated an issue in GitLab EE affecting all versions from 16.7 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to access iteration data from private descendant groups by querying the iterations API endpoint.

[CVE-2026-1094] [Modified: 12-02-2026] [Analyzed] [V3.1 S4.6:MEDIUM] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.8 before 18.8.4 that could have allowed an authenticated developer to hide specially crafted file changes from the WebUI.

[CVE-2026-1282] [Modified: 12-02-2026] [Analyzed] [V3.1 S3.5:LOW] GitLab has remediated an issue in GitLab CE/EE affecting all versions from 18.6 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that could have allowed an authenticated user to inject malicious content into project labels titles.